Home / 20,015.67-30,034.17-11,251.20

Finding the Fourth Proportional to 20,015.67, 30,034.17 and 11,251.20

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Solution

The fourth proportional to 20,015.67, 30,034.17 and 11,251.20 is: 16,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.67 : 30,034.17 = 11,251.20 : x
  2. Step 2: Convert to fraction form
    20,015.67/30,034.17 = 11,251.20/x
  3. Step 3: Cross multiply
    20,015.67x = 30,034.17 × 11,251.20
  4. Step 4: Simplify right side
    20,015.67x = 337,920,453.50
  5. Step 5: Solve for x
    x = 337,920,453.50/20,015.67
  6. Step 6: Final answer
    x = 16,882.80

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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.