Home / 20,116.44-27,759.42-11,163.42

Finding the Fourth Proportional to 20,116.44, 27,759.42 and 11,163.42

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Solution

The fourth proportional to 20,116.44, 27,759.42 and 11,163.42 is: 15,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.44 : 27,759.42 = 11,163.42 : x
  2. Step 2: Convert to fraction form
    20,116.44/27,759.42 = 11,163.42/x
  3. Step 3: Cross multiply
    20,116.44x = 27,759.42 × 11,163.42
  4. Step 4: Simplify right side
    20,116.44x = 309,890,064.42
  5. Step 5: Solve for x
    x = 309,890,064.42/20,116.44
  6. Step 6: Final answer
    x = 15,404.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.