Home / 20,241.38-30,357.17-10,375.58

Finding the Fourth Proportional to 20,241.38, 30,357.17 and 10,375.58

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Solution

The fourth proportional to 20,241.38, 30,357.17 and 10,375.58 is: 15,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.38 : 30,357.17 = 10,375.58 : x
  2. Step 2: Convert to fraction form
    20,241.38/30,357.17 = 10,375.58/x
  3. Step 3: Cross multiply
    20,241.38x = 30,357.17 × 10,375.58
  4. Step 4: Simplify right side
    20,241.38x = 314,973,245.91
  5. Step 5: Solve for x
    x = 314,973,245.91/20,241.38
  6. Step 6: Final answer
    x = 15,560.86

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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.