Home / 13,899.88-20,849.82-10,452.52

Finding the Fourth Proportional to 13,899.88, 20,849.82 and 10,452.52

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Solution

The fourth proportional to 13,899.88, 20,849.82 and 10,452.52 is: 15,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.88 : 20,849.82 = 10,452.52 : x
  2. Step 2: Convert to fraction form
    13,899.88/20,849.82 = 10,452.52/x
  3. Step 3: Cross multiply
    13,899.88x = 20,849.82 × 10,452.52
  4. Step 4: Simplify right side
    13,899.88x = 217,933,160.55
  5. Step 5: Solve for x
    x = 217,933,160.55/13,899.88
  6. Step 6: Final answer
    x = 15,678.78

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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.