Home / 18,249.50-27,376.01-8,391.53

Finding the Fourth Proportional to 18,249.50, 27,376.01 and 8,391.53

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Solution

The fourth proportional to 18,249.50, 27,376.01 and 8,391.53 is: 12,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.50 : 27,376.01 = 8,391.53 : x
  2. Step 2: Convert to fraction form
    18,249.50/27,376.01 = 8,391.53/x
  3. Step 3: Cross multiply
    18,249.50x = 27,376.01 × 8,391.53
  4. Step 4: Simplify right side
    18,249.50x = 229,726,609.20
  5. Step 5: Solve for x
    x = 229,726,609.20/18,249.50
  6. Step 6: Final answer
    x = 12,588.10

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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.