Home / 17,086.90-25,630.35-9,213.70

Finding the Fourth Proportional to 17,086.90, 25,630.35 and 9,213.70

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Solution

The fourth proportional to 17,086.90, 25,630.35 and 9,213.70 is: 13,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.90 : 25,630.35 = 9,213.70 : x
  2. Step 2: Convert to fraction form
    17,086.90/25,630.35 = 9,213.70/x
  3. Step 3: Cross multiply
    17,086.90x = 25,630.35 × 9,213.70
  4. Step 4: Simplify right side
    17,086.90x = 236,150,355.80
  5. Step 5: Solve for x
    x = 236,150,355.80/17,086.90
  6. Step 6: Final answer
    x = 13,820.55

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Similar ratio
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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.