Home / 16,819.56-25,195.32-8,487.96

Finding the Fourth Proportional to 16,819.56, 25,195.32 and 8,487.96

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Solution

The fourth proportional to 16,819.56, 25,195.32 and 8,487.96 is: 12,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.56 : 25,195.32 = 8,487.96 : x
  2. Step 2: Convert to fraction form
    16,819.56/25,195.32 = 8,487.96/x
  3. Step 3: Cross multiply
    16,819.56x = 25,195.32 × 8,487.96
  4. Step 4: Simplify right side
    16,819.56x = 213,856,868.35
  5. Step 5: Solve for x
    x = 213,856,868.35/16,819.56
  6. Step 6: Final answer
    x = 12,714.77

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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.