Home / 18,277.88-27,418.19-10,377.34

Finding the Fourth Proportional to 18,277.88, 27,418.19 and 10,377.34

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Solution

The fourth proportional to 18,277.88, 27,418.19 and 10,377.34 is: 15,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.88 : 27,418.19 = 10,377.34 : x
  2. Step 2: Convert to fraction form
    18,277.88/27,418.19 = 10,377.34/x
  3. Step 3: Cross multiply
    18,277.88x = 27,418.19 × 10,377.34
  4. Step 4: Simplify right side
    18,277.88x = 284,527,759.38
  5. Step 5: Solve for x
    x = 284,527,759.38/18,277.88
  6. Step 6: Final answer
    x = 15,566.79

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1.5x scale

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.