Home / 13,648.23-20,472.11-6,147.61

Finding the Fourth Proportional to 13,648.23, 20,472.11 and 6,147.61

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Solution

The fourth proportional to 13,648.23, 20,472.11 and 6,147.61 is: 9,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.23 : 20,472.11 = 6,147.61 : x
  2. Step 2: Convert to fraction form
    13,648.23/20,472.11 = 6,147.61/x
  3. Step 3: Cross multiply
    13,648.23x = 20,472.11 × 6,147.61
  4. Step 4: Simplify right side
    13,648.23x = 125,854,583.97
  5. Step 5: Solve for x
    x = 125,854,583.97/13,648.23
  6. Step 6: Final answer
    x = 9,221.32

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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.