Home / 11,839.78-17,744.58-6,295.78

Finding the Fourth Proportional to 11,839.78, 17,744.58 and 6,295.78

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Solution

The fourth proportional to 11,839.78, 17,744.58 and 6,295.78 is: 9,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.78 : 17,744.58 = 6,295.78 : x
  2. Step 2: Convert to fraction form
    11,839.78/17,744.58 = 6,295.78/x
  3. Step 3: Cross multiply
    11,839.78x = 17,744.58 × 6,295.78
  4. Step 4: Simplify right side
    11,839.78x = 111,715,883.15
  5. Step 5: Solve for x
    x = 111,715,883.15/11,839.78
  6. Step 6: Final answer
    x = 9,435.64

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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.