Home / 15,146.11-22,720.07-4,757.86

Finding the Fourth Proportional to 15,146.11, 22,720.07 and 4,757.86

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Solution

The fourth proportional to 15,146.11, 22,720.07 and 4,757.86 is: 7,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.11 : 22,720.07 = 4,757.86 : x
  2. Step 2: Convert to fraction form
    15,146.11/22,720.07 = 4,757.86/x
  3. Step 3: Cross multiply
    15,146.11x = 22,720.07 × 4,757.86
  4. Step 4: Simplify right side
    15,146.11x = 108,098,912.25
  5. Step 5: Solve for x
    x = 108,098,912.25/15,146.11
  6. Step 6: Final answer
    x = 7,137.07

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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.