Home / 18,546.50-27,819.79-5,399.19

Finding the Fourth Proportional to 18,546.50, 27,819.79 and 5,399.19

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Solution

The fourth proportional to 18,546.50, 27,819.79 and 5,399.19 is: 8,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.50 : 27,819.79 = 5,399.19 : x
  2. Step 2: Convert to fraction form
    18,546.50/27,819.79 = 5,399.19/x
  3. Step 3: Cross multiply
    18,546.50x = 27,819.79 × 5,399.19
  4. Step 4: Simplify right side
    18,546.50x = 150,204,318.47
  5. Step 5: Solve for x
    x = 150,204,318.47/18,546.50
  6. Step 6: Final answer
    x = 8,098.79

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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.