Home / 9,939.78-13,716.90-5,963.27

Finding the Fourth Proportional to 9,939.78, 13,716.90 and 5,963.27

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Solution

The fourth proportional to 9,939.78, 13,716.90 and 5,963.27 is: 8,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.78 : 13,716.90 = 5,963.27 : x
  2. Step 2: Convert to fraction form
    9,939.78/13,716.90 = 5,963.27/x
  3. Step 3: Cross multiply
    9,939.78x = 13,716.90 × 5,963.27
  4. Step 4: Simplify right side
    9,939.78x = 81,797,509.68
  5. Step 5: Solve for x
    x = 81,797,509.68/9,939.78
  6. Step 6: Final answer
    x = 8,229.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.