Home / 20,367.62-30,552.84-8,516.91

Finding the Fourth Proportional to 20,367.62, 30,552.84 and 8,516.91

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Solution

The fourth proportional to 20,367.62, 30,552.84 and 8,516.91 is: 12,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.62 : 30,552.84 = 8,516.91 : x
  2. Step 2: Convert to fraction form
    20,367.62/30,552.84 = 8,516.91/x
  3. Step 3: Cross multiply
    20,367.62x = 30,552.84 × 8,516.91
  4. Step 4: Simplify right side
    20,367.62x = 260,215,788.52
  5. Step 5: Solve for x
    x = 260,215,788.52/20,367.62
  6. Step 6: Final answer
    x = 12,775.95

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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.