Home / 12,229.75-18,344.67-2,995.75

Finding the Fourth Proportional to 12,229.75, 18,344.67 and 2,995.75

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Solution

The fourth proportional to 12,229.75, 18,344.67 and 2,995.75 is: 4,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.75 : 18,344.67 = 2,995.75 : x
  2. Step 2: Convert to fraction form
    12,229.75/18,344.67 = 2,995.75/x
  3. Step 3: Cross multiply
    12,229.75x = 18,344.67 × 2,995.75
  4. Step 4: Simplify right side
    12,229.75x = 54,956,045.15
  5. Step 5: Solve for x
    x = 54,956,045.15/12,229.75
  6. Step 6: Final answer
    x = 4,493.64

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Half scale
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Double scale
Find fourth proportional to 12,230.75, 18,346.17 and 2,996.75
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.