Home / 20,016.52-30,008.57-8,338.48

Finding the Fourth Proportional to 20,016.52, 30,008.57 and 8,338.48

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Solution

The fourth proportional to 20,016.52, 30,008.57 and 8,338.48 is: 12,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.52 : 30,008.57 = 8,338.48 : x
  2. Step 2: Convert to fraction form
    20,016.52/30,008.57 = 8,338.48/x
  3. Step 3: Cross multiply
    20,016.52x = 30,008.57 × 8,338.48
  4. Step 4: Simplify right side
    20,016.52x = 250,225,860.77
  5. Step 5: Solve for x
    x = 250,225,860.77/20,016.52
  6. Step 6: Final answer
    x = 12,500.97

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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.