Home / 20,087.73-30,127.27-8,229.88

Finding the Fourth Proportional to 20,087.73, 30,127.27 and 8,229.88

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Solution

The fourth proportional to 20,087.73, 30,127.27 and 8,229.88 is: 12,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.73 : 30,127.27 = 8,229.88 : x
  2. Step 2: Convert to fraction form
    20,087.73/30,127.27 = 8,229.88/x
  3. Step 3: Cross multiply
    20,087.73x = 30,127.27 × 8,229.88
  4. Step 4: Simplify right side
    20,087.73x = 247,943,625.04
  5. Step 5: Solve for x
    x = 247,943,625.04/20,087.73
  6. Step 6: Final answer
    x = 12,343.04

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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.