Home / 20,079.52-30,092.40-8,983.84

Finding the Fourth Proportional to 20,079.52, 30,092.40 and 8,983.84

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Solution

The fourth proportional to 20,079.52, 30,092.40 and 8,983.84 is: 13,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.52 : 30,092.40 = 8,983.84 : x
  2. Step 2: Convert to fraction form
    20,079.52/30,092.40 = 8,983.84/x
  3. Step 3: Cross multiply
    20,079.52x = 30,092.40 × 8,983.84
  4. Step 4: Simplify right side
    20,079.52x = 270,345,306.82
  5. Step 5: Solve for x
    x = 270,345,306.82/20,079.52
  6. Step 6: Final answer
    x = 13,463.73

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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.