Home / 11,860.54-17,792.85-5,286.58

Finding the Fourth Proportional to 11,860.54, 17,792.85 and 5,286.58

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Solution

The fourth proportional to 11,860.54, 17,792.85 and 5,286.58 is: 7,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.54 : 17,792.85 = 5,286.58 : x
  2. Step 2: Convert to fraction form
    11,860.54/17,792.85 = 5,286.58/x
  3. Step 3: Cross multiply
    11,860.54x = 17,792.85 × 5,286.58
  4. Step 4: Simplify right side
    11,860.54x = 94,063,324.95
  5. Step 5: Solve for x
    x = 94,063,324.95/11,860.54
  6. Step 6: Final answer
    x = 7,930.78

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1.5x scale

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.