Home / 12,173.94-18,260.91-4,382.55

Finding the Fourth Proportional to 12,173.94, 18,260.91 and 4,382.55

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Solution

The fourth proportional to 12,173.94, 18,260.91 and 4,382.55 is: 6,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.94 : 18,260.91 = 4,382.55 : x
  2. Step 2: Convert to fraction form
    12,173.94/18,260.91 = 4,382.55/x
  3. Step 3: Cross multiply
    12,173.94x = 18,260.91 × 4,382.55
  4. Step 4: Simplify right side
    12,173.94x = 80,029,351.12
  5. Step 5: Solve for x
    x = 80,029,351.12/12,173.94
  6. Step 6: Final answer
    x = 6,573.83

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Half scale
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Double scale
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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.