Home / 20,173.27-30,268.23-8,922.70

Finding the Fourth Proportional to 20,173.27, 30,268.23 and 8,922.70

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Solution

The fourth proportional to 20,173.27, 30,268.23 and 8,922.70 is: 13,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.27 : 30,268.23 = 8,922.70 : x
  2. Step 2: Convert to fraction form
    20,173.27/30,268.23 = 8,922.70/x
  3. Step 3: Cross multiply
    20,173.27x = 30,268.23 × 8,922.70
  4. Step 4: Simplify right side
    20,173.27x = 270,074,335.82
  5. Step 5: Solve for x
    x = 270,074,335.82/20,173.27
  6. Step 6: Final answer
    x = 13,387.73

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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.