Home / 20,257.23-30,390.97-6,217.97

Finding the Fourth Proportional to 20,257.23, 30,390.97 and 6,217.97

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Solution

The fourth proportional to 20,257.23, 30,390.97 and 6,217.97 is: 9,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.23 : 30,390.97 = 6,217.97 : x
  2. Step 2: Convert to fraction form
    20,257.23/30,390.97 = 6,217.97/x
  3. Step 3: Cross multiply
    20,257.23x = 30,390.97 × 6,217.97
  4. Step 4: Simplify right side
    20,257.23x = 188,970,001.38
  5. Step 5: Solve for x
    x = 188,970,001.38/20,257.23
  6. Step 6: Final answer
    x = 9,328.52

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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.