Home / 18,258.09-27,375.38-7,165.91

Finding the Fourth Proportional to 18,258.09, 27,375.38 and 7,165.91

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Solution

The fourth proportional to 18,258.09, 27,375.38 and 7,165.91 is: 10,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.09 : 27,375.38 = 7,165.91 : x
  2. Step 2: Convert to fraction form
    18,258.09/27,375.38 = 7,165.91/x
  3. Step 3: Cross multiply
    18,258.09x = 27,375.38 × 7,165.91
  4. Step 4: Simplify right side
    18,258.09x = 196,169,336.59
  5. Step 5: Solve for x
    x = 196,169,336.59/18,258.09
  6. Step 6: Final answer
    x = 10,744.24

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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.