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Finding the Fourth Proportional to 23,162.76, 34,750.62 and 9,114.12

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Solution

The fourth proportional to 23,162.76, 34,750.62 and 9,114.12 is: 13,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.76 : 34,750.62 = 9,114.12 : x
  2. Step 2: Convert to fraction form
    23,162.76/34,750.62 = 9,114.12/x
  3. Step 3: Cross multiply
    23,162.76x = 34,750.62 × 9,114.12
  4. Step 4: Simplify right side
    23,162.76x = 316,721,320.75
  5. Step 5: Solve for x
    x = 316,721,320.75/23,162.76
  6. Step 6: Final answer
    x = 13,673.73

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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.