Home / 18,342.50-27,514.91-5,195.88

Finding the Fourth Proportional to 18,342.50, 27,514.91 and 5,195.88

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Solution

The fourth proportional to 18,342.50, 27,514.91 and 5,195.88 is: 7,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.50 : 27,514.91 = 5,195.88 : x
  2. Step 2: Convert to fraction form
    18,342.50/27,514.91 = 5,195.88/x
  3. Step 3: Cross multiply
    18,342.50x = 27,514.91 × 5,195.88
  4. Step 4: Simplify right side
    18,342.50x = 142,964,183.56
  5. Step 5: Solve for x
    x = 142,964,183.56/18,342.50
  6. Step 6: Final answer
    x = 7,794.15

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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.