Home / 20,805.57-31,198.88-6,010.97

Finding the Fourth Proportional to 20,805.57, 31,198.88 and 6,010.97

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Solution

The fourth proportional to 20,805.57, 31,198.88 and 6,010.97 is: 9,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.57 : 31,198.88 = 6,010.97 : x
  2. Step 2: Convert to fraction form
    20,805.57/31,198.88 = 6,010.97/x
  3. Step 3: Cross multiply
    20,805.57x = 31,198.88 × 6,010.97
  4. Step 4: Simplify right side
    20,805.57x = 187,535,390.75
  5. Step 5: Solve for x
    x = 187,535,390.75/20,805.57
  6. Step 6: Final answer
    x = 9,013.71

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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.