Home / 12,760.96-19,141.44-3,995.92

Finding the Fourth Proportional to 12,760.96, 19,141.44 and 3,995.92

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Solution

The fourth proportional to 12,760.96, 19,141.44 and 3,995.92 is: 5,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.96 : 19,141.44 = 3,995.92 : x
  2. Step 2: Convert to fraction form
    12,760.96/19,141.44 = 3,995.92/x
  3. Step 3: Cross multiply
    12,760.96x = 19,141.44 × 3,995.92
  4. Step 4: Simplify right side
    12,760.96x = 76,487,662.92
  5. Step 5: Solve for x
    x = 76,487,662.92/12,760.96
  6. Step 6: Final answer
    x = 5,993.88

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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.