diff --git a/gl-matrix/gl-matrix-tests.ts b/gl-matrix/gl-matrix-tests.ts
index ce5251edad..682bca7b8b 100644
--- a/gl-matrix/gl-matrix-tests.ts
+++ b/gl-matrix/gl-matrix-tests.ts
@@ -308,6 +308,11 @@ q = [0, 0, 0, 1];
 out = mat4.fromRotationTranslation(out, q, [1, 2, 3]);
 out = mat4.fromQuat(out, q);
 
+q = [0, 0, 0, 1];
+out = mat4.fromRotationTranslationScale(out, q, [1, 2, 3], [1, 2, 3]);
+out = mat4.fromQuat(out, q);
+
+
 // quat
 var quatA = [1, 2, 3, 4];
 var quatB = [5, 6, 7, 8];
diff --git a/gl-matrix/gl-matrix.d.ts b/gl-matrix/gl-matrix.d.ts
index b5dcdf3f1d..16366f263a 100644
--- a/gl-matrix/gl-matrix.d.ts
+++ b/gl-matrix/gl-matrix.d.ts
@@ -1828,8 +1828,27 @@ declare namespace mat4 {
      * @param v Translation vector
      * @returns out
      */
-    export function fromRotationTranslation(out: GLM.IArray, q: GLM.IArray,
-        v: GLM.IArray): GLM.IArray;
+    export function fromRotationTranslation(out: GLM.IArray, q: GLM.IArray, v: GLM.IArray): GLM.IArray;
+
+     /**
+     * Creates a matrix from a quaternion rotation, vector translation and vector scale.
+     * 
+     * This is equivalent to (but much faster than):
+     * 
+     *     mat4.identity(dest); 
+     *     mat4.translate(dest, vec); 
+     *     var quatMat = mat4.create(); 
+     *     quat4.toMat4(quat, quatMat); 
+     *     mat4.multiply(dest, quatMat); 
+     *     mat4.scale(dest, scale)
+     * 
+     * @param out mat4 receiving operation result
+     * @param q Rotation quaternion
+     * @param v Translation vector
+     * @param s Scale vector
+     * @returns out
+     */
+    export function fromRotationTranslationScale(out: GLM.IArray, q: GLM.IArray, v: GLM.IArray, s: GLM.IArray): GLM.IArray
 
     /**
      * Creates a matrix from a quaternion