Home / 10,115.38-13,961.46-6,572.44

Finding the Fourth Proportional to 10,115.38, 13,961.46 and 6,572.44

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Solution

The fourth proportional to 10,115.38, 13,961.46 and 6,572.44 is: 9,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.38 : 13,961.46 = 6,572.44 : x
  2. Step 2: Convert to fraction form
    10,115.38/13,961.46 = 6,572.44/x
  3. Step 3: Cross multiply
    10,115.38x = 13,961.46 × 6,572.44
  4. Step 4: Simplify right side
    10,115.38x = 91,760,858.16
  5. Step 5: Solve for x
    x = 91,760,858.16/10,115.38
  6. Step 6: Final answer
    x = 9,071.42

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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.