Home / 12,279.62-18,419.43-4,497.14

Finding the Fourth Proportional to 12,279.62, 18,419.43 and 4,497.14

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Solution

The fourth proportional to 12,279.62, 18,419.43 and 4,497.14 is: 6,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279.62 : 18,419.43 = 4,497.14 : x
  2. Step 2: Convert to fraction form
    12,279.62/18,419.43 = 4,497.14/x
  3. Step 3: Cross multiply
    12,279.62x = 18,419.43 × 4,497.14
  4. Step 4: Simplify right side
    12,279.62x = 82,834,755.43
  5. Step 5: Solve for x
    x = 82,834,755.43/12,279.62
  6. Step 6: Final answer
    x = 6,745.71

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Similar ratio
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1.5x scale

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.