Home / 16,587.92-22,891.10-9,417.78

Finding the Fourth Proportional to 16,587.92, 22,891.10 and 9,417.78

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Solution

The fourth proportional to 16,587.92, 22,891.10 and 9,417.78 is: 12,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.92 : 22,891.10 = 9,417.78 : x
  2. Step 2: Convert to fraction form
    16,587.92/22,891.10 = 9,417.78/x
  3. Step 3: Cross multiply
    16,587.92x = 22,891.10 × 9,417.78
  4. Step 4: Simplify right side
    16,587.92x = 215,583,343.76
  5. Step 5: Solve for x
    x = 215,583,343.76/16,587.92
  6. Step 6: Final answer
    x = 12,996.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.