Home / 11,512.13-17,262.62-5,270.27

Finding the Fourth Proportional to 11,512.13, 17,262.62 and 5,270.27

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Solution

The fourth proportional to 11,512.13, 17,262.62 and 5,270.27 is: 7,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.13 : 17,262.62 = 5,270.27 : x
  2. Step 2: Convert to fraction form
    11,512.13/17,262.62 = 5,270.27/x
  3. Step 3: Cross multiply
    11,512.13x = 17,262.62 × 5,270.27
  4. Step 4: Simplify right side
    11,512.13x = 90,978,641.96
  5. Step 5: Solve for x
    x = 90,978,641.96/11,512.13
  6. Step 6: Final answer
    x = 7,902.85

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1.5x scale

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.