Home / 10,254.97-15,373.21-3,679.61

Finding the Fourth Proportional to 10,254.97, 15,373.21 and 3,679.61

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Solution

The fourth proportional to 10,254.97, 15,373.21 and 3,679.61 is: 5,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.97 : 15,373.21 = 3,679.61 : x
  2. Step 2: Convert to fraction form
    10,254.97/15,373.21 = 3,679.61/x
  3. Step 3: Cross multiply
    10,254.97x = 15,373.21 × 3,679.61
  4. Step 4: Simplify right side
    10,254.97x = 56,567,424.56
  5. Step 5: Solve for x
    x = 56,567,424.56/10,254.97
  6. Step 6: Final answer
    x = 5,516.10

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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.