Home / 20,251.82-30,382.18-6,213.78

Finding the Fourth Proportional to 20,251.82, 30,382.18 and 6,213.78

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Solution

The fourth proportional to 20,251.82, 30,382.18 and 6,213.78 is: 9,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.82 : 30,382.18 = 6,213.78 : x
  2. Step 2: Convert to fraction form
    20,251.82/30,382.18 = 6,213.78/x
  3. Step 3: Cross multiply
    20,251.82x = 30,382.18 × 6,213.78
  4. Step 4: Simplify right side
    20,251.82x = 188,788,182.44
  5. Step 5: Solve for x
    x = 188,788,182.44/20,251.82
  6. Step 6: Final answer
    x = 9,322.04

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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.