Home / 10,331.88-15,497.68-2,540.62

Finding the Fourth Proportional to 10,331.88, 15,497.68 and 2,540.62

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Solution

The fourth proportional to 10,331.88, 15,497.68 and 2,540.62 is: 3,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.88 : 15,497.68 = 2,540.62 : x
  2. Step 2: Convert to fraction form
    10,331.88/15,497.68 = 2,540.62/x
  3. Step 3: Cross multiply
    10,331.88x = 15,497.68 × 2,540.62
  4. Step 4: Simplify right side
    10,331.88x = 39,373,715.76
  5. Step 5: Solve for x
    x = 39,373,715.76/10,331.88
  6. Step 6: Final answer
    x = 3,810.90

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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.