Home / 11,154.90-16,728.09-3,757.38

Finding the Fourth Proportional to 11,154.90, 16,728.09 and 3,757.38

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Solution

The fourth proportional to 11,154.90, 16,728.09 and 3,757.38 is: 5,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.90 : 16,728.09 = 3,757.38 : x
  2. Step 2: Convert to fraction form
    11,154.90/16,728.09 = 3,757.38/x
  3. Step 3: Cross multiply
    11,154.90x = 16,728.09 × 3,757.38
  4. Step 4: Simplify right side
    11,154.90x = 62,853,790.80
  5. Step 5: Solve for x
    x = 62,853,790.80/11,154.90
  6. Step 6: Final answer
    x = 5,634.64

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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.