Home / 18,002.72-27,009.09-5,523.15

Finding the Fourth Proportional to 18,002.72, 27,009.09 and 5,523.15

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Solution

The fourth proportional to 18,002.72, 27,009.09 and 5,523.15 is: 8,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.72 : 27,009.09 = 5,523.15 : x
  2. Step 2: Convert to fraction form
    18,002.72/27,009.09 = 5,523.15/x
  3. Step 3: Cross multiply
    18,002.72x = 27,009.09 × 5,523.15
  4. Step 4: Simplify right side
    18,002.72x = 149,175,227.82
  5. Step 5: Solve for x
    x = 149,175,227.82/18,002.72
  6. Step 6: Final answer
    x = 8,286.26

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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.