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Finding the Fourth Proportional to 22,391.76, 33,586.92 and 9,234.24

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Solution

The fourth proportional to 22,391.76, 33,586.92 and 9,234.24 is: 13,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.76 : 33,586.92 = 9,234.24 : x
  2. Step 2: Convert to fraction form
    22,391.76/33,586.92 = 9,234.24/x
  3. Step 3: Cross multiply
    22,391.76x = 33,586.92 × 9,234.24
  4. Step 4: Simplify right side
    22,391.76x = 310,149,680.14
  5. Step 5: Solve for x
    x = 310,149,680.14/22,391.76
  6. Step 6: Final answer
    x = 13,851.06

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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.