Home / 10,986.08-16,481.55-3,195.50

Finding the Fourth Proportional to 10,986.08, 16,481.55 and 3,195.50

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Solution

The fourth proportional to 10,986.08, 16,481.55 and 3,195.50 is: 4,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.08 : 16,481.55 = 3,195.50 : x
  2. Step 2: Convert to fraction form
    10,986.08/16,481.55 = 3,195.50/x
  3. Step 3: Cross multiply
    10,986.08x = 16,481.55 × 3,195.50
  4. Step 4: Simplify right side
    10,986.08x = 52,666,793.03
  5. Step 5: Solve for x
    x = 52,666,793.03/10,986.08
  6. Step 6: Final answer
    x = 4,793.96

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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.