Home / 18,049.20-27,079.26-8,568.78

Finding the Fourth Proportional to 18,049.20, 27,079.26 and 8,568.78

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Solution

The fourth proportional to 18,049.20, 27,079.26 and 8,568.78 is: 12,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.20 : 27,079.26 = 8,568.78 : x
  2. Step 2: Convert to fraction form
    18,049.20/27,079.26 = 8,568.78/x
  3. Step 3: Cross multiply
    18,049.20x = 27,079.26 × 8,568.78
  4. Step 4: Simplify right side
    18,049.20x = 232,036,221.50
  5. Step 5: Solve for x
    x = 232,036,221.50/18,049.20
  6. Step 6: Final answer
    x = 12,855.76

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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.