Home / 18,514.92-27,752.94-12,669.96

Finding the Fourth Proportional to 18,514.92, 27,752.94 and 12,669.96

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Solution

The fourth proportional to 18,514.92, 27,752.94 and 12,669.96 is: 18,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.92 : 27,752.94 = 12,669.96 : x
  2. Step 2: Convert to fraction form
    18,514.92/27,752.94 = 12,669.96/x
  3. Step 3: Cross multiply
    18,514.92x = 27,752.94 × 12,669.96
  4. Step 4: Simplify right side
    18,514.92x = 351,628,639.68
  5. Step 5: Solve for x
    x = 351,628,639.68/18,514.92
  6. Step 6: Final answer
    x = 18,991.64

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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.