Home / 12,010.87-18,016.30-6,163.75

Finding the Fourth Proportional to 12,010.87, 18,016.30 and 6,163.75

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Solution

The fourth proportional to 12,010.87, 18,016.30 and 6,163.75 is: 9,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.87 : 18,016.30 = 6,163.75 : x
  2. Step 2: Convert to fraction form
    12,010.87/18,016.30 = 6,163.75/x
  3. Step 3: Cross multiply
    12,010.87x = 18,016.30 × 6,163.75
  4. Step 4: Simplify right side
    12,010.87x = 111,047,879.04
  5. Step 5: Solve for x
    x = 111,047,879.04/12,010.87
  6. Step 6: Final answer
    x = 9,245.62

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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.