Home / 10,691.64-16,032.96-3,764.52

Finding the Fourth Proportional to 10,691.64, 16,032.96 and 3,764.52

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Solution

The fourth proportional to 10,691.64, 16,032.96 and 3,764.52 is: 5,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.64 : 16,032.96 = 3,764.52 : x
  2. Step 2: Convert to fraction form
    10,691.64/16,032.96 = 3,764.52/x
  3. Step 3: Cross multiply
    10,691.64x = 16,032.96 × 3,764.52
  4. Step 4: Simplify right side
    10,691.64x = 60,356,398.58
  5. Step 5: Solve for x
    x = 60,356,398.58/10,691.64
  6. Step 6: Final answer
    x = 5,645.20

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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.