Home / 12,245.44-16,888.84-7,996.20

Finding the Fourth Proportional to 12,245.44, 16,888.84 and 7,996.20

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Solution

The fourth proportional to 12,245.44, 16,888.84 and 7,996.20 is: 11,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.44 : 16,888.84 = 7,996.20 : x
  2. Step 2: Convert to fraction form
    12,245.44/16,888.84 = 7,996.20/x
  3. Step 3: Cross multiply
    12,245.44x = 16,888.84 × 7,996.20
  4. Step 4: Simplify right side
    12,245.44x = 135,046,542.41
  5. Step 5: Solve for x
    x = 135,046,542.41/12,245.44
  6. Step 6: Final answer
    x = 11,028.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.