Home / 20,263.60-30,394.75-9,170.29

Finding the Fourth Proportional to 20,263.60, 30,394.75 and 9,170.29

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Solution

The fourth proportional to 20,263.60, 30,394.75 and 9,170.29 is: 13,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.60 : 30,394.75 = 9,170.29 : x
  2. Step 2: Convert to fraction form
    20,263.60/30,394.75 = 9,170.29/x
  3. Step 3: Cross multiply
    20,263.60x = 30,394.75 × 9,170.29
  4. Step 4: Simplify right side
    20,263.60x = 278,728,605.86
  5. Step 5: Solve for x
    x = 278,728,605.86/20,263.60
  6. Step 6: Final answer
    x = 13,755.14

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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.