Home / 12,724.58-19,088.96-3,957.45

Finding the Fourth Proportional to 12,724.58, 19,088.96 and 3,957.45

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Solution

The fourth proportional to 12,724.58, 19,088.96 and 3,957.45 is: 5,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.58 : 19,088.96 = 3,957.45 : x
  2. Step 2: Convert to fraction form
    12,724.58/19,088.96 = 3,957.45/x
  3. Step 3: Cross multiply
    12,724.58x = 19,088.96 × 3,957.45
  4. Step 4: Simplify right side
    12,724.58x = 75,543,584.96
  5. Step 5: Solve for x
    x = 75,543,584.96/12,724.58
  6. Step 6: Final answer
    x = 5,936.83

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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.