Home / 11,977.57-17,966.51-6,711.76

Finding the Fourth Proportional to 11,977.57, 17,966.51 and 6,711.76

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Solution

The fourth proportional to 11,977.57, 17,966.51 and 6,711.76 is: 10,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.57 : 17,966.51 = 6,711.76 : x
  2. Step 2: Convert to fraction form
    11,977.57/17,966.51 = 6,711.76/x
  3. Step 3: Cross multiply
    11,977.57x = 17,966.51 × 6,711.76
  4. Step 4: Simplify right side
    11,977.57x = 120,586,917.23
  5. Step 5: Solve for x
    x = 120,586,917.23/11,977.57
  6. Step 6: Final answer
    x = 10,067.73

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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.