Home / 20,514.96-30,760.13-9,407.73

Finding the Fourth Proportional to 20,514.96, 30,760.13 and 9,407.73

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Solution

The fourth proportional to 20,514.96, 30,760.13 and 9,407.73 is: 14,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.96 : 30,760.13 = 9,407.73 : x
  2. Step 2: Convert to fraction form
    20,514.96/30,760.13 = 9,407.73/x
  3. Step 3: Cross multiply
    20,514.96x = 30,760.13 × 9,407.73
  4. Step 4: Simplify right side
    20,514.96x = 289,382,997.80
  5. Step 5: Solve for x
    x = 289,382,997.80/20,514.96
  6. Step 6: Final answer
    x = 14,105.95

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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.