Home / 20,061.20-30,096.60-8,367.92

Finding the Fourth Proportional to 20,061.20, 30,096.60 and 8,367.92

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Solution

The fourth proportional to 20,061.20, 30,096.60 and 8,367.92 is: 12,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.20 : 30,096.60 = 8,367.92 : x
  2. Step 2: Convert to fraction form
    20,061.20/30,096.60 = 8,367.92/x
  3. Step 3: Cross multiply
    20,061.20x = 30,096.60 × 8,367.92
  4. Step 4: Simplify right side
    20,061.20x = 251,845,941.07
  5. Step 5: Solve for x
    x = 251,845,941.07/20,061.20
  6. Step 6: Final answer
    x = 12,553.88

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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.