Home / 11,129.55-16,691.63-3,732.09

Finding the Fourth Proportional to 11,129.55, 16,691.63 and 3,732.09

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Solution

The fourth proportional to 11,129.55, 16,691.63 and 3,732.09 is: 5,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.55 : 16,691.63 = 3,732.09 : x
  2. Step 2: Convert to fraction form
    11,129.55/16,691.63 = 3,732.09/x
  3. Step 3: Cross multiply
    11,129.55x = 16,691.63 × 3,732.09
  4. Step 4: Simplify right side
    11,129.55x = 62,294,646.75
  5. Step 5: Solve for x
    x = 62,294,646.75/11,129.55
  6. Step 6: Final answer
    x = 5,597.23

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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.