Home / 18,083.64-27,125.46-4,936.36

Finding the Fourth Proportional to 18,083.64, 27,125.46 and 4,936.36

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Solution

The fourth proportional to 18,083.64, 27,125.46 and 4,936.36 is: 7,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.64 : 27,125.46 = 4,936.36 : x
  2. Step 2: Convert to fraction form
    18,083.64/27,125.46 = 4,936.36/x
  3. Step 3: Cross multiply
    18,083.64x = 27,125.46 × 4,936.36
  4. Step 4: Simplify right side
    18,083.64x = 133,901,035.73
  5. Step 5: Solve for x
    x = 133,901,035.73/18,083.64
  6. Step 6: Final answer
    x = 7,404.54

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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.