Home / 18,660.54-27,983.52-8,265

Finding the Fourth Proportional to 18,660.54, 27,983.52 and 8,265

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Solution

The fourth proportional to 18,660.54, 27,983.52 and 8,265 is: 12,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.54 : 27,983.52 = 8,265 : x
  2. Step 2: Convert to fraction form
    18,660.54/27,983.52 = 8,265/x
  3. Step 3: Cross multiply
    18,660.54x = 27,983.52 × 8,265
  4. Step 4: Simplify right side
    18,660.54x = 231,283,792.80
  5. Step 5: Solve for x
    x = 231,283,792.80/18,660.54
  6. Step 6: Final answer
    x = 12,394.27

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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.