Home / 20,805.20-31,198.32-6,010.59

Finding the Fourth Proportional to 20,805.20, 31,198.32 and 6,010.59

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Solution

The fourth proportional to 20,805.20, 31,198.32 and 6,010.59 is: 9,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.20 : 31,198.32 = 6,010.59 : x
  2. Step 2: Convert to fraction form
    20,805.20/31,198.32 = 6,010.59/x
  3. Step 3: Cross multiply
    20,805.20x = 31,198.32 × 6,010.59
  4. Step 4: Simplify right side
    20,805.20x = 187,520,310.21
  5. Step 5: Solve for x
    x = 187,520,310.21/20,805.20
  6. Step 6: Final answer
    x = 9,013.15

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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.