Home / 11,966.68-17,945.10-5,391.10

Finding the Fourth Proportional to 11,966.68, 17,945.10 and 5,391.10

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Solution

The fourth proportional to 11,966.68, 17,945.10 and 5,391.10 is: 8,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.68 : 17,945.10 = 5,391.10 : x
  2. Step 2: Convert to fraction form
    11,966.68/17,945.10 = 5,391.10/x
  3. Step 3: Cross multiply
    11,966.68x = 17,945.10 × 5,391.10
  4. Step 4: Simplify right side
    11,966.68x = 96,743,828.61
  5. Step 5: Solve for x
    x = 96,743,828.61/11,966.68
  6. Step 6: Final answer
    x = 8,084.43

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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.