Home / 11,366.60-17,086.35-8,102.30

Finding the Fourth Proportional to 11,366.60, 17,086.35 and 8,102.30

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Solution

The fourth proportional to 11,366.60, 17,086.35 and 8,102.30 is: 12,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.60 : 17,086.35 = 8,102.30 : x
  2. Step 2: Convert to fraction form
    11,366.60/17,086.35 = 8,102.30/x
  3. Step 3: Cross multiply
    11,366.60x = 17,086.35 × 8,102.30
  4. Step 4: Simplify right side
    11,366.60x = 138,438,733.61
  5. Step 5: Solve for x
    x = 138,438,733.61/11,366.60
  6. Step 6: Final answer
    x = 12,179.43

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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.