Home / 18,255.80-27,362.65-8,249.75

Finding the Fourth Proportional to 18,255.80, 27,362.65 and 8,249.75

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Solution

The fourth proportional to 18,255.80, 27,362.65 and 8,249.75 is: 12,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.80 : 27,362.65 = 8,249.75 : x
  2. Step 2: Convert to fraction form
    18,255.80/27,362.65 = 8,249.75/x
  3. Step 3: Cross multiply
    18,255.80x = 27,362.65 × 8,249.75
  4. Step 4: Simplify right side
    18,255.80x = 225,735,021.84
  5. Step 5: Solve for x
    x = 225,735,021.84/18,255.80
  6. Step 6: Final answer
    x = 12,365.11

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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.