Home / 11,487.13-17,230.88-3,589.85

Finding the Fourth Proportional to 11,487.13, 17,230.88 and 3,589.85

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Solution

The fourth proportional to 11,487.13, 17,230.88 and 3,589.85 is: 5,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.13 : 17,230.88 = 3,589.85 : x
  2. Step 2: Convert to fraction form
    11,487.13/17,230.88 = 3,589.85/x
  3. Step 3: Cross multiply
    11,487.13x = 17,230.88 × 3,589.85
  4. Step 4: Simplify right side
    11,487.13x = 61,856,326.62
  5. Step 5: Solve for x
    x = 61,856,326.62/11,487.13
  6. Step 6: Final answer
    x = 5,384.84

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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.