Home / 9,138.42-13,706.57-2,474.61

Finding the Fourth Proportional to 9,138.42, 13,706.57 and 2,474.61

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Solution

The fourth proportional to 9,138.42, 13,706.57 and 2,474.61 is: 3,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.42 : 13,706.57 = 2,474.61 : x
  2. Step 2: Convert to fraction form
    9,138.42/13,706.57 = 2,474.61/x
  3. Step 3: Cross multiply
    9,138.42x = 13,706.57 × 2,474.61
  4. Step 4: Simplify right side
    9,138.42x = 33,918,369.97
  5. Step 5: Solve for x
    x = 33,918,369.97/9,138.42
  6. Step 6: Final answer
    x = 3,711.62

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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.