Home / 18,204.72-27,309.96-6,517.68

Finding the Fourth Proportional to 18,204.72, 27,309.96 and 6,517.68

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Solution

The fourth proportional to 18,204.72, 27,309.96 and 6,517.68 is: 9,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.72 : 27,309.96 = 6,517.68 : x
  2. Step 2: Convert to fraction form
    18,204.72/27,309.96 = 6,517.68/x
  3. Step 3: Cross multiply
    18,204.72x = 27,309.96 × 6,517.68
  4. Step 4: Simplify right side
    18,204.72x = 177,997,580.09
  5. Step 5: Solve for x
    x = 177,997,580.09/18,204.72
  6. Step 6: Final answer
    x = 9,777.55

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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.