Home / 18,331.38-27,500.49-8,336.85

Finding the Fourth Proportional to 18,331.38, 27,500.49 and 8,336.85

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Solution

The fourth proportional to 18,331.38, 27,500.49 and 8,336.85 is: 12,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.38 : 27,500.49 = 8,336.85 : x
  2. Step 2: Convert to fraction form
    18,331.38/27,500.49 = 8,336.85/x
  3. Step 3: Cross multiply
    18,331.38x = 27,500.49 × 8,336.85
  4. Step 4: Simplify right side
    18,331.38x = 229,267,460.06
  5. Step 5: Solve for x
    x = 229,267,460.06/18,331.38
  6. Step 6: Final answer
    x = 12,506.83

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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.