Home / 20,177.60-30,272.56-10,323.80

Finding the Fourth Proportional to 20,177.60, 30,272.56 and 10,323.80

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Solution

The fourth proportional to 20,177.60, 30,272.56 and 10,323.80 is: 15,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.60 : 30,272.56 = 10,323.80 : x
  2. Step 2: Convert to fraction form
    20,177.60/30,272.56 = 10,323.80/x
  3. Step 3: Cross multiply
    20,177.60x = 30,272.56 × 10,323.80
  4. Step 4: Simplify right side
    20,177.60x = 312,527,854.93
  5. Step 5: Solve for x
    x = 312,527,854.93/20,177.60
  6. Step 6: Final answer
    x = 15,488.85

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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.