Home / 12,166.40-18,249.60-8,011.10

Finding the Fourth Proportional to 12,166.40, 18,249.60 and 8,011.10

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Solution

The fourth proportional to 12,166.40, 18,249.60 and 8,011.10 is: 12,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.40 : 18,249.60 = 8,011.10 : x
  2. Step 2: Convert to fraction form
    12,166.40/18,249.60 = 8,011.10/x
  3. Step 3: Cross multiply
    12,166.40x = 18,249.60 × 8,011.10
  4. Step 4: Simplify right side
    12,166.40x = 146,199,370.56
  5. Step 5: Solve for x
    x = 146,199,370.56/12,166.40
  6. Step 6: Final answer
    x = 12,016.65

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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.