Home / 12,723.66-19,084.41-3,957.75

Finding the Fourth Proportional to 12,723.66, 19,084.41 and 3,957.75

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Solution

The fourth proportional to 12,723.66, 19,084.41 and 3,957.75 is: 5,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.66 : 19,084.41 = 3,957.75 : x
  2. Step 2: Convert to fraction form
    12,723.66/19,084.41 = 3,957.75/x
  3. Step 3: Cross multiply
    12,723.66x = 19,084.41 × 3,957.75
  4. Step 4: Simplify right side
    12,723.66x = 75,531,323.68
  5. Step 5: Solve for x
    x = 75,531,323.68/12,723.66
  6. Step 6: Final answer
    x = 5,936.29

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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.