Home / 11,868.88-17,827.23-7,134.43

Finding the Fourth Proportional to 11,868.88, 17,827.23 and 7,134.43

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Solution

The fourth proportional to 11,868.88, 17,827.23 and 7,134.43 is: 10,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.88 : 17,827.23 = 7,134.43 : x
  2. Step 2: Convert to fraction form
    11,868.88/17,827.23 = 7,134.43/x
  3. Step 3: Cross multiply
    11,868.88x = 17,827.23 × 7,134.43
  4. Step 4: Simplify right side
    11,868.88x = 127,187,124.53
  5. Step 5: Solve for x
    x = 127,187,124.53/11,868.88
  6. Step 6: Final answer
    x = 10,716.02

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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.