Home / 20,175.59-30,251.85-6,131.46

Finding the Fourth Proportional to 20,175.59, 30,251.85 and 6,131.46

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Solution

The fourth proportional to 20,175.59, 30,251.85 and 6,131.46 is: 9,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.59 : 30,251.85 = 6,131.46 : x
  2. Step 2: Convert to fraction form
    20,175.59/30,251.85 = 6,131.46/x
  3. Step 3: Cross multiply
    20,175.59x = 30,251.85 × 6,131.46
  4. Step 4: Simplify right side
    20,175.59x = 185,487,983.96
  5. Step 5: Solve for x
    x = 185,487,983.96/20,175.59
  6. Step 6: Final answer
    x = 9,193.68

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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.