Home / 11,489.13-17,233.88-3,591.85

Finding the Fourth Proportional to 11,489.13, 17,233.88 and 3,591.85

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Solution

The fourth proportional to 11,489.13, 17,233.88 and 3,591.85 is: 5,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.13 : 17,233.88 = 3,591.85 : x
  2. Step 2: Convert to fraction form
    11,489.13/17,233.88 = 3,591.85/x
  3. Step 3: Cross multiply
    11,489.13x = 17,233.88 × 3,591.85
  4. Step 4: Simplify right side
    11,489.13x = 61,901,511.88
  5. Step 5: Solve for x
    x = 61,901,511.88/11,489.13
  6. Step 6: Final answer
    x = 5,387.83

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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.