Home / 20,092.14-27,729.72-13,199.20

Finding the Fourth Proportional to 20,092.14, 27,729.72 and 13,199.20

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Solution

The fourth proportional to 20,092.14, 27,729.72 and 13,199.20 is: 18,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.14 : 27,729.72 = 13,199.20 : x
  2. Step 2: Convert to fraction form
    20,092.14/27,729.72 = 13,199.20/x
  3. Step 3: Cross multiply
    20,092.14x = 27,729.72 × 13,199.20
  4. Step 4: Simplify right side
    20,092.14x = 366,010,050.90
  5. Step 5: Solve for x
    x = 366,010,050.90/20,092.14
  6. Step 6: Final answer
    x = 18,216.58

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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.