Home / 20,171.46-30,257.19-6,131.61

Finding the Fourth Proportional to 20,171.46, 30,257.19 and 6,131.61

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Solution

The fourth proportional to 20,171.46, 30,257.19 and 6,131.61 is: 9,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.46 : 30,257.19 = 6,131.61 : x
  2. Step 2: Convert to fraction form
    20,171.46/30,257.19 = 6,131.61/x
  3. Step 3: Cross multiply
    20,171.46x = 30,257.19 × 6,131.61
  4. Step 4: Simplify right side
    20,171.46x = 185,525,288.78
  5. Step 5: Solve for x
    x = 185,525,288.78/20,171.46
  6. Step 6: Final answer
    x = 9,197.42

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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.