Home / 11,917.96-16,446.50-6,612.96

Finding the Fourth Proportional to 11,917.96, 16,446.50 and 6,612.96

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Solution

The fourth proportional to 11,917.96, 16,446.50 and 6,612.96 is: 9,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.96 : 16,446.50 = 6,612.96 : x
  2. Step 2: Convert to fraction form
    11,917.96/16,446.50 = 6,612.96/x
  3. Step 3: Cross multiply
    11,917.96x = 16,446.50 × 6,612.96
  4. Step 4: Simplify right side
    11,917.96x = 108,760,046.64
  5. Step 5: Solve for x
    x = 108,760,046.64/11,917.96
  6. Step 6: Final answer
    x = 9,125.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.