Home / 18,712.42-28,073.11-6,232.55

Finding the Fourth Proportional to 18,712.42, 28,073.11 and 6,232.55

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Solution

The fourth proportional to 18,712.42, 28,073.11 and 6,232.55 is: 9,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.42 : 28,073.11 = 6,232.55 : x
  2. Step 2: Convert to fraction form
    18,712.42/28,073.11 = 6,232.55/x
  3. Step 3: Cross multiply
    18,712.42x = 28,073.11 × 6,232.55
  4. Step 4: Simplify right side
    18,712.42x = 174,966,905.78
  5. Step 5: Solve for x
    x = 174,966,905.78/18,712.42
  6. Step 6: Final answer
    x = 9,350.31

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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.