Home / 10,375.25-15,565.16-2,979.14

Finding the Fourth Proportional to 10,375.25, 15,565.16 and 2,979.14

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Solution

The fourth proportional to 10,375.25, 15,565.16 and 2,979.14 is: 4,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.25 : 15,565.16 = 2,979.14 : x
  2. Step 2: Convert to fraction form
    10,375.25/15,565.16 = 2,979.14/x
  3. Step 3: Cross multiply
    10,375.25x = 15,565.16 × 2,979.14
  4. Step 4: Simplify right side
    10,375.25x = 46,370,720.38
  5. Step 5: Solve for x
    x = 46,370,720.38/10,375.25
  6. Step 6: Final answer
    x = 4,469.36

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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.