Home / 20,016.73-29,992.11-6,861.88

Finding the Fourth Proportional to 20,016.73, 29,992.11 and 6,861.88

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Solution

The fourth proportional to 20,016.73, 29,992.11 and 6,861.88 is: 10,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.73 : 29,992.11 = 6,861.88 : x
  2. Step 2: Convert to fraction form
    20,016.73/29,992.11 = 6,861.88/x
  3. Step 3: Cross multiply
    20,016.73x = 29,992.11 × 6,861.88
  4. Step 4: Simplify right side
    20,016.73x = 205,802,310.12
  5. Step 5: Solve for x
    x = 205,802,310.12/20,016.73
  6. Step 6: Final answer
    x = 10,281.51

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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.