Home / 10,786.67-16,180.01-3,391.78

Finding the Fourth Proportional to 10,786.67, 16,180.01 and 3,391.78

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Solution

The fourth proportional to 10,786.67, 16,180.01 and 3,391.78 is: 5,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.67 : 16,180.01 = 3,391.78 : x
  2. Step 2: Convert to fraction form
    10,786.67/16,180.01 = 3,391.78/x
  3. Step 3: Cross multiply
    10,786.67x = 16,180.01 × 3,391.78
  4. Step 4: Simplify right side
    10,786.67x = 54,878,936.46
  5. Step 5: Solve for x
    x = 54,878,936.46/10,786.67
  6. Step 6: Final answer
    x = 5,087.66

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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.