Home / 9,481.25-14,221.88-2,555.75

Finding the Fourth Proportional to 9,481.25, 14,221.88 and 2,555.75

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Solution

The fourth proportional to 9,481.25, 14,221.88 and 2,555.75 is: 3,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.25 : 14,221.88 = 2,555.75 : x
  2. Step 2: Convert to fraction form
    9,481.25/14,221.88 = 2,555.75/x
  3. Step 3: Cross multiply
    9,481.25x = 14,221.88 × 2,555.75
  4. Step 4: Simplify right side
    9,481.25x = 36,347,557.03
  5. Step 5: Solve for x
    x = 36,347,557.03/9,481.25
  6. Step 6: Final answer
    x = 3,833.63

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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.