Home / 11,177.52-16,766.27-2,857.55

Finding the Fourth Proportional to 11,177.52, 16,766.27 and 2,857.55

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Solution

The fourth proportional to 11,177.52, 16,766.27 and 2,857.55 is: 4,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.52 : 16,766.27 = 2,857.55 : x
  2. Step 2: Convert to fraction form
    11,177.52/16,766.27 = 2,857.55/x
  3. Step 3: Cross multiply
    11,177.52x = 16,766.27 × 2,857.55
  4. Step 4: Simplify right side
    11,177.52x = 47,910,356.72
  5. Step 5: Solve for x
    x = 47,910,356.72/11,177.52
  6. Step 6: Final answer
    x = 4,286.31

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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.