Home / 13,630.82-20,446.22-4,273.19

Finding the Fourth Proportional to 13,630.82, 20,446.22 and 4,273.19

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Solution

The fourth proportional to 13,630.82, 20,446.22 and 4,273.19 is: 6,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.82 : 20,446.22 = 4,273.19 : x
  2. Step 2: Convert to fraction form
    13,630.82/20,446.22 = 4,273.19/x
  3. Step 3: Cross multiply
    13,630.82x = 20,446.22 × 4,273.19
  4. Step 4: Simplify right side
    13,630.82x = 87,370,567.97
  5. Step 5: Solve for x
    x = 87,370,567.97/13,630.82
  6. Step 6: Final answer
    x = 6,409.78

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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.