Home / 10,207.36-15,314.92-5,273.92

Finding the Fourth Proportional to 10,207.36, 15,314.92 and 5,273.92

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Solution

The fourth proportional to 10,207.36, 15,314.92 and 5,273.92 is: 7,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.36 : 15,314.92 = 5,273.92 : x
  2. Step 2: Convert to fraction form
    10,207.36/15,314.92 = 5,273.92/x
  3. Step 3: Cross multiply
    10,207.36x = 15,314.92 × 5,273.92
  4. Step 4: Simplify right side
    10,207.36x = 80,769,662.89
  5. Step 5: Solve for x
    x = 80,769,662.89/10,207.36
  6. Step 6: Final answer
    x = 7,912.88

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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.