Home / 20,067.60-30,101.50-8,227.84

Finding the Fourth Proportional to 20,067.60, 30,101.50 and 8,227.84

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Solution

The fourth proportional to 20,067.60, 30,101.50 and 8,227.84 is: 12,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.60 : 30,101.50 = 8,227.84 : x
  2. Step 2: Convert to fraction form
    20,067.60/30,101.50 = 8,227.84/x
  3. Step 3: Cross multiply
    20,067.60x = 30,101.50 × 8,227.84
  4. Step 4: Simplify right side
    20,067.60x = 247,670,325.76
  5. Step 5: Solve for x
    x = 247,670,325.76/20,067.60
  6. Step 6: Final answer
    x = 12,341.80

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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.