Home / 11,128.08-16,691.61-3,731.97

Finding the Fourth Proportional to 11,128.08, 16,691.61 and 3,731.97

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Solution

The fourth proportional to 11,128.08, 16,691.61 and 3,731.97 is: 5,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.08 : 16,691.61 = 3,731.97 : x
  2. Step 2: Convert to fraction form
    11,128.08/16,691.61 = 3,731.97/x
  3. Step 3: Cross multiply
    11,128.08x = 16,691.61 × 3,731.97
  4. Step 4: Simplify right side
    11,128.08x = 62,292,587.77
  5. Step 5: Solve for x
    x = 62,292,587.77/11,128.08
  6. Step 6: Final answer
    x = 5,597.78

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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.