Home / 14,439.92-21,668.52-13,264.88

Finding the Fourth Proportional to 14,439.92, 21,668.52 and 13,264.88

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Solution

The fourth proportional to 14,439.92, 21,668.52 and 13,264.88 is: 19,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.92 : 21,668.52 = 13,264.88 : x
  2. Step 2: Convert to fraction form
    14,439.92/21,668.52 = 13,264.88/x
  3. Step 3: Cross multiply
    14,439.92x = 21,668.52 × 13,264.88
  4. Step 4: Simplify right side
    14,439.92x = 287,430,317.58
  5. Step 5: Solve for x
    x = 287,430,317.58/14,439.92
  6. Step 6: Final answer
    x = 19,905.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.