Home / 14,568-21,951.24-12,976.68

Finding the Fourth Proportional to 14,568, 21,951.24 and 12,976.68

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Solution

The fourth proportional to 14,568, 21,951.24 and 12,976.68 is: 19,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568 : 21,951.24 = 12,976.68 : x
  2. Step 2: Convert to fraction form
    14,568/21,951.24 = 12,976.68/x
  3. Step 3: Cross multiply
    14,568x = 21,951.24 × 12,976.68
  4. Step 4: Simplify right side
    14,568x = 284,854,217.08
  5. Step 5: Solve for x
    x = 284,854,217.08/14,568
  6. Step 6: Final answer
    x = 19,553.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.