Home / 20,613.40-30,896.19-9,496.73

Finding the Fourth Proportional to 20,613.40, 30,896.19 and 9,496.73

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Solution

The fourth proportional to 20,613.40, 30,896.19 and 9,496.73 is: 14,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.40 : 30,896.19 = 9,496.73 : x
  2. Step 2: Convert to fraction form
    20,613.40/30,896.19 = 9,496.73/x
  3. Step 3: Cross multiply
    20,613.40x = 30,896.19 × 9,496.73
  4. Step 4: Simplify right side
    20,613.40x = 293,412,851.70
  5. Step 5: Solve for x
    x = 293,412,851.70/20,613.40
  6. Step 6: Final answer
    x = 14,234.08

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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.