Home / 16,781.76-25,151.10-14,179.92

Finding the Fourth Proportional to 16,781.76, 25,151.10 and 14,179.92

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Solution

The fourth proportional to 16,781.76, 25,151.10 and 14,179.92 is: 21,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.76 : 25,151.10 = 14,179.92 : x
  2. Step 2: Convert to fraction form
    16,781.76/25,151.10 = 14,179.92/x
  3. Step 3: Cross multiply
    16,781.76x = 25,151.10 × 14,179.92
  4. Step 4: Simplify right side
    16,781.76x = 356,640,585.91
  5. Step 5: Solve for x
    x = 356,640,585.91/16,781.76
  6. Step 6: Final answer
    x = 21,251.68

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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.