Home / 10,517.03-15,778.38-3,498.18

Finding the Fourth Proportional to 10,517.03, 15,778.38 and 3,498.18

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Solution

The fourth proportional to 10,517.03, 15,778.38 and 3,498.18 is: 5,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.03 : 15,778.38 = 3,498.18 : x
  2. Step 2: Convert to fraction form
    10,517.03/15,778.38 = 3,498.18/x
  3. Step 3: Cross multiply
    10,517.03x = 15,778.38 × 3,498.18
  4. Step 4: Simplify right side
    10,517.03x = 55,195,613.35
  5. Step 5: Solve for x
    x = 55,195,613.35/10,517.03
  6. Step 6: Final answer
    x = 5,248.21

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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.