Home / 20,251.68-30,377.43-5,462.09

Finding the Fourth Proportional to 20,251.68, 30,377.43 and 5,462.09

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Solution

The fourth proportional to 20,251.68, 30,377.43 and 5,462.09 is: 8,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.68 : 30,377.43 = 5,462.09 : x
  2. Step 2: Convert to fraction form
    20,251.68/30,377.43 = 5,462.09/x
  3. Step 3: Cross multiply
    20,251.68x = 30,377.43 × 5,462.09
  4. Step 4: Simplify right side
    20,251.68x = 165,924,218.66
  5. Step 5: Solve for x
    x = 165,924,218.66/20,251.68
  6. Step 6: Final answer
    x = 8,193.11

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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.