Home / 18,351.87-27,531.91-5,872.64

Finding the Fourth Proportional to 18,351.87, 27,531.91 and 5,872.64

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Solution

The fourth proportional to 18,351.87, 27,531.91 and 5,872.64 is: 8,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.87 : 27,531.91 = 5,872.64 : x
  2. Step 2: Convert to fraction form
    18,351.87/27,531.91 = 5,872.64/x
  3. Step 3: Cross multiply
    18,351.87x = 27,531.91 × 5,872.64
  4. Step 4: Simplify right side
    18,351.87x = 161,685,050.09
  5. Step 5: Solve for x
    x = 161,685,050.09/18,351.87
  6. Step 6: Final answer
    x = 8,810.28

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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.