Home / 11,134.26-15,351.12-7,951.37

Finding the Fourth Proportional to 11,134.26, 15,351.12 and 7,951.37

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Solution

The fourth proportional to 11,134.26, 15,351.12 and 7,951.37 is: 10,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.26 : 15,351.12 = 7,951.37 : x
  2. Step 2: Convert to fraction form
    11,134.26/15,351.12 = 7,951.37/x
  3. Step 3: Cross multiply
    11,134.26x = 15,351.12 × 7,951.37
  4. Step 4: Simplify right side
    11,134.26x = 122,062,358.28
  5. Step 5: Solve for x
    x = 122,062,358.28/11,134.26
  6. Step 6: Final answer
    x = 10,962.77

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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.