Home / 9,620.44-13,268.10-7,387.72

Finding the Fourth Proportional to 9,620.44, 13,268.10 and 7,387.72

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Solution

The fourth proportional to 9,620.44, 13,268.10 and 7,387.72 is: 10,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.44 : 13,268.10 = 7,387.72 : x
  2. Step 2: Convert to fraction form
    9,620.44/13,268.10 = 7,387.72/x
  3. Step 3: Cross multiply
    9,620.44x = 13,268.10 × 7,387.72
  4. Step 4: Simplify right side
    9,620.44x = 98,021,007.73
  5. Step 5: Solve for x
    x = 98,021,007.73/9,620.44
  6. Step 6: Final answer
    x = 10,188.83

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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.