Home / 20,442.92-30,676.20-8,595.76

Finding the Fourth Proportional to 20,442.92, 30,676.20 and 8,595.76

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Solution

The fourth proportional to 20,442.92, 30,676.20 and 8,595.76 is: 12,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.92 : 30,676.20 = 8,595.76 : x
  2. Step 2: Convert to fraction form
    20,442.92/30,676.20 = 8,595.76/x
  3. Step 3: Cross multiply
    20,442.92x = 30,676.20 × 8,595.76
  4. Step 4: Simplify right side
    20,442.92x = 263,685,252.91
  5. Step 5: Solve for x
    x = 263,685,252.91/20,442.92
  6. Step 6: Final answer
    x = 12,898.61

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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.