Home / 11,267.92-15,540.60-8,611.12

Finding the Fourth Proportional to 11,267.92, 15,540.60 and 8,611.12

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Solution

The fourth proportional to 11,267.92, 15,540.60 and 8,611.12 is: 11,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.92 : 15,540.60 = 8,611.12 : x
  2. Step 2: Convert to fraction form
    11,267.92/15,540.60 = 8,611.12/x
  3. Step 3: Cross multiply
    11,267.92x = 15,540.60 × 8,611.12
  4. Step 4: Simplify right side
    11,267.92x = 133,821,971.47
  5. Step 5: Solve for x
    x = 133,821,971.47/11,267.92
  6. Step 6: Final answer
    x = 11,876.37

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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.