Home / 20,338.27-30,512.19-6,487.27

Finding the Fourth Proportional to 20,338.27, 30,512.19 and 6,487.27

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Solution

The fourth proportional to 20,338.27, 30,512.19 and 6,487.27 is: 9,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.27 : 30,512.19 = 6,487.27 : x
  2. Step 2: Convert to fraction form
    20,338.27/30,512.19 = 6,487.27/x
  3. Step 3: Cross multiply
    20,338.27x = 30,512.19 × 6,487.27
  4. Step 4: Simplify right side
    20,338.27x = 197,940,814.82
  5. Step 5: Solve for x
    x = 197,940,814.82/20,338.27
  6. Step 6: Final answer
    x = 9,732.43

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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.