Home / 10,986.05-16,481.88-3,194.86

Finding the Fourth Proportional to 10,986.05, 16,481.88 and 3,194.86

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Solution

The fourth proportional to 10,986.05, 16,481.88 and 3,194.86 is: 4,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.05 : 16,481.88 = 3,194.86 : x
  2. Step 2: Convert to fraction form
    10,986.05/16,481.88 = 3,194.86/x
  3. Step 3: Cross multiply
    10,986.05x = 16,481.88 × 3,194.86
  4. Step 4: Simplify right side
    10,986.05x = 52,657,257.93
  5. Step 5: Solve for x
    x = 52,657,257.93/10,986.05
  6. Step 6: Final answer
    x = 4,793.10

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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.