Home / 20,269.62-30,375.27-8,566.74

Finding the Fourth Proportional to 20,269.62, 30,375.27 and 8,566.74

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Solution

The fourth proportional to 20,269.62, 30,375.27 and 8,566.74 is: 12,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.62 : 30,375.27 = 8,566.74 : x
  2. Step 2: Convert to fraction form
    20,269.62/30,375.27 = 8,566.74/x
  3. Step 3: Cross multiply
    20,269.62x = 30,375.27 × 8,566.74
  4. Step 4: Simplify right side
    20,269.62x = 260,217,040.52
  5. Step 5: Solve for x
    x = 260,217,040.52/20,269.62
  6. Step 6: Final answer
    x = 12,837.79

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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.