Home / 20,841.68-31,250.27-8,367.62

Finding the Fourth Proportional to 20,841.68, 31,250.27 and 8,367.62

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Solution

The fourth proportional to 20,841.68, 31,250.27 and 8,367.62 is: 12,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.68 : 31,250.27 = 8,367.62 : x
  2. Step 2: Convert to fraction form
    20,841.68/31,250.27 = 8,367.62/x
  3. Step 3: Cross multiply
    20,841.68x = 31,250.27 × 8,367.62
  4. Step 4: Simplify right side
    20,841.68x = 261,490,248.93
  5. Step 5: Solve for x
    x = 261,490,248.93/20,841.68
  6. Step 6: Final answer
    x = 12,546.50

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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.