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Finding the Fourth Proportional to 18,067.58, 27,094.62 and 6,218.03

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Solution

The fourth proportional to 18,067.58, 27,094.62 and 6,218.03 is: 9,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.58 : 27,094.62 = 6,218.03 : x
  2. Step 2: Convert to fraction form
    18,067.58/27,094.62 = 6,218.03/x
  3. Step 3: Cross multiply
    18,067.58x = 27,094.62 × 6,218.03
  4. Step 4: Simplify right side
    18,067.58x = 168,475,024.53
  5. Step 5: Solve for x
    x = 168,475,024.53/18,067.58
  6. Step 6: Final answer
    x = 9,324.72

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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.