Home / 18,171.33-27,240.57-6,481.77

Finding the Fourth Proportional to 18,171.33, 27,240.57 and 6,481.77

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Solution

The fourth proportional to 18,171.33, 27,240.57 and 6,481.77 is: 9,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.33 : 27,240.57 = 6,481.77 : x
  2. Step 2: Convert to fraction form
    18,171.33/27,240.57 = 6,481.77/x
  3. Step 3: Cross multiply
    18,171.33x = 27,240.57 × 6,481.77
  4. Step 4: Simplify right side
    18,171.33x = 176,567,109.41
  5. Step 5: Solve for x
    x = 176,567,109.41/18,171.33
  6. Step 6: Final answer
    x = 9,716.80

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1.5x scale

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.