Home / 10,786.33-16,179.48-3,391.43

Finding the Fourth Proportional to 10,786.33, 16,179.48 and 3,391.43

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Solution

The fourth proportional to 10,786.33, 16,179.48 and 3,391.43 is: 5,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.33 : 16,179.48 = 3,391.43 : x
  2. Step 2: Convert to fraction form
    10,786.33/16,179.48 = 3,391.43/x
  3. Step 3: Cross multiply
    10,786.33x = 16,179.48 × 3,391.43
  4. Step 4: Simplify right side
    10,786.33x = 54,871,556.90
  5. Step 5: Solve for x
    x = 54,871,556.90/10,786.33
  6. Step 6: Final answer
    x = 5,087.14

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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.