Home / 13,346.75-20,020.12-5,452.99

Finding the Fourth Proportional to 13,346.75, 20,020.12 and 5,452.99

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Solution

The fourth proportional to 13,346.75, 20,020.12 and 5,452.99 is: 8,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.75 : 20,020.12 = 5,452.99 : x
  2. Step 2: Convert to fraction form
    13,346.75/20,020.12 = 5,452.99/x
  3. Step 3: Cross multiply
    13,346.75x = 20,020.12 × 5,452.99
  4. Step 4: Simplify right side
    13,346.75x = 109,169,514.16
  5. Step 5: Solve for x
    x = 109,169,514.16/13,346.75
  6. Step 6: Final answer
    x = 8,179.48

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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.