Home / 11,086.80-16,630.20-10,179.60

Finding the Fourth Proportional to 11,086.80, 16,630.20 and 10,179.60

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Solution

The fourth proportional to 11,086.80, 16,630.20 and 10,179.60 is: 15,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.80 : 16,630.20 = 10,179.60 : x
  2. Step 2: Convert to fraction form
    11,086.80/16,630.20 = 10,179.60/x
  3. Step 3: Cross multiply
    11,086.80x = 16,630.20 × 10,179.60
  4. Step 4: Simplify right side
    11,086.80x = 169,288,783.92
  5. Step 5: Solve for x
    x = 169,288,783.92/11,086.80
  6. Step 6: Final answer
    x = 15,269.40

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Similar ratio
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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.