Home / 12,553.62-18,819.24-4,767.90

Finding the Fourth Proportional to 12,553.62, 18,819.24 and 4,767.90

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Solution

The fourth proportional to 12,553.62, 18,819.24 and 4,767.90 is: 7,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.62 : 18,819.24 = 4,767.90 : x
  2. Step 2: Convert to fraction form
    12,553.62/18,819.24 = 4,767.90/x
  3. Step 3: Cross multiply
    12,553.62x = 18,819.24 × 4,767.90
  4. Step 4: Simplify right side
    12,553.62x = 89,728,254.40
  5. Step 5: Solve for x
    x = 89,728,254.40/12,553.62
  6. Step 6: Final answer
    x = 7,147.60

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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.