Home / 11,318.84-16,979.13-2,998.65

Finding the Fourth Proportional to 11,318.84, 16,979.13 and 2,998.65

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Solution

The fourth proportional to 11,318.84, 16,979.13 and 2,998.65 is: 4,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.84 : 16,979.13 = 2,998.65 : x
  2. Step 2: Convert to fraction form
    11,318.84/16,979.13 = 2,998.65/x
  3. Step 3: Cross multiply
    11,318.84x = 16,979.13 × 2,998.65
  4. Step 4: Simplify right side
    11,318.84x = 50,914,453.18
  5. Step 5: Solve for x
    x = 50,914,453.18/11,318.84
  6. Step 6: Final answer
    x = 4,498.21

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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.