Home / 12,760.98-19,141.47-3,996.58

Finding the Fourth Proportional to 12,760.98, 19,141.47 and 3,996.58

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Solution

The fourth proportional to 12,760.98, 19,141.47 and 3,996.58 is: 5,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.98 : 19,141.47 = 3,996.58 : x
  2. Step 2: Convert to fraction form
    12,760.98/19,141.47 = 3,996.58/x
  3. Step 3: Cross multiply
    12,760.98x = 19,141.47 × 3,996.58
  4. Step 4: Simplify right side
    12,760.98x = 76,500,416.17
  5. Step 5: Solve for x
    x = 76,500,416.17/12,760.98
  6. Step 6: Final answer
    x = 5,994.87

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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.