Home / 11,127.04-16,691.28-3,731.20

Finding the Fourth Proportional to 11,127.04, 16,691.28 and 3,731.20

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Solution

The fourth proportional to 11,127.04, 16,691.28 and 3,731.20 is: 5,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.04 : 16,691.28 = 3,731.20 : x
  2. Step 2: Convert to fraction form
    11,127.04/16,691.28 = 3,731.20/x
  3. Step 3: Cross multiply
    11,127.04x = 16,691.28 × 3,731.20
  4. Step 4: Simplify right side
    11,127.04x = 62,278,503.94
  5. Step 5: Solve for x
    x = 62,278,503.94/11,127.04
  6. Step 6: Final answer
    x = 5,597.04

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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.