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Finding the Fourth Proportional to 15,167.12, 22,750.76 and 9,469.76

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Solution

The fourth proportional to 15,167.12, 22,750.76 and 9,469.76 is: 14,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.12 : 22,750.76 = 9,469.76 : x
  2. Step 2: Convert to fraction form
    15,167.12/22,750.76 = 9,469.76/x
  3. Step 3: Cross multiply
    15,167.12x = 22,750.76 × 9,469.76
  4. Step 4: Simplify right side
    15,167.12x = 215,444,237.02
  5. Step 5: Solve for x
    x = 215,444,237.02/15,167.12
  6. Step 6: Final answer
    x = 14,204.69

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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.