Home / 11,944.89-17,917.65-3,179.82

Finding the Fourth Proportional to 11,944.89, 17,917.65 and 3,179.82

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Solution

The fourth proportional to 11,944.89, 17,917.65 and 3,179.82 is: 4,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.89 : 17,917.65 = 3,179.82 : x
  2. Step 2: Convert to fraction form
    11,944.89/17,917.65 = 3,179.82/x
  3. Step 3: Cross multiply
    11,944.89x = 17,917.65 × 3,179.82
  4. Step 4: Simplify right side
    11,944.89x = 56,974,901.82
  5. Step 5: Solve for x
    x = 56,974,901.82/11,944.89
  6. Step 6: Final answer
    x = 4,769.81

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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.