Home / 10,294.78-15,442.18-2,503.53

Finding the Fourth Proportional to 10,294.78, 15,442.18 and 2,503.53

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Solution

The fourth proportional to 10,294.78, 15,442.18 and 2,503.53 is: 3,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.78 : 15,442.18 = 2,503.53 : x
  2. Step 2: Convert to fraction form
    10,294.78/15,442.18 = 2,503.53/x
  3. Step 3: Cross multiply
    10,294.78x = 15,442.18 × 2,503.53
  4. Step 4: Simplify right side
    10,294.78x = 38,659,960.90
  5. Step 5: Solve for x
    x = 38,659,960.90/10,294.78
  6. Step 6: Final answer
    x = 3,755.30

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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.