Home / 9,939.80-13,717.24-5,464.02

Finding the Fourth Proportional to 9,939.80, 13,717.24 and 5,464.02

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Solution

The fourth proportional to 9,939.80, 13,717.24 and 5,464.02 is: 7,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.80 : 13,717.24 = 5,464.02 : x
  2. Step 2: Convert to fraction form
    9,939.80/13,717.24 = 5,464.02/x
  3. Step 3: Cross multiply
    9,939.80x = 13,717.24 × 5,464.02
  4. Step 4: Simplify right side
    9,939.80x = 74,951,273.70
  5. Step 5: Solve for x
    x = 74,951,273.70/9,939.80
  6. Step 6: Final answer
    x = 7,540.52

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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.