Home / 11,932.56-17,899.92-4,910.94

Finding the Fourth Proportional to 11,932.56, 17,899.92 and 4,910.94

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Solution

The fourth proportional to 11,932.56, 17,899.92 and 4,910.94 is: 7,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.56 : 17,899.92 = 4,910.94 : x
  2. Step 2: Convert to fraction form
    11,932.56/17,899.92 = 4,910.94/x
  3. Step 3: Cross multiply
    11,932.56x = 17,899.92 × 4,910.94
  4. Step 4: Simplify right side
    11,932.56x = 87,905,433.12
  5. Step 5: Solve for x
    x = 87,905,433.12/11,932.56
  6. Step 6: Final answer
    x = 7,366.85

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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.