Home / 18,110.45-27,160.05-8,744.65

Finding the Fourth Proportional to 18,110.45, 27,160.05 and 8,744.65

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Solution

The fourth proportional to 18,110.45, 27,160.05 and 8,744.65 is: 13,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.45 : 27,160.05 = 8,744.65 : x
  2. Step 2: Convert to fraction form
    18,110.45/27,160.05 = 8,744.65/x
  3. Step 3: Cross multiply
    18,110.45x = 27,160.05 × 8,744.65
  4. Step 4: Simplify right side
    18,110.45x = 237,505,012.41
  5. Step 5: Solve for x
    x = 237,505,012.41/18,110.45
  6. Step 6: Final answer
    x = 13,114.25

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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.