Home / 20,096.15-30,142.08-8,251.17

Finding the Fourth Proportional to 20,096.15, 30,142.08 and 8,251.17

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Solution

The fourth proportional to 20,096.15, 30,142.08 and 8,251.17 is: 12,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.15 : 30,142.08 = 8,251.17 : x
  2. Step 2: Convert to fraction form
    20,096.15/30,142.08 = 8,251.17/x
  3. Step 3: Cross multiply
    20,096.15x = 30,142.08 × 8,251.17
  4. Step 4: Simplify right side
    20,096.15x = 248,707,426.23
  5. Step 5: Solve for x
    x = 248,707,426.23/20,096.15
  6. Step 6: Final answer
    x = 12,375.88

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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.