Home / 11,517.92-17,258.89-8,014.78

Finding the Fourth Proportional to 11,517.92, 17,258.89 and 8,014.78

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Solution

The fourth proportional to 11,517.92, 17,258.89 and 8,014.78 is: 12,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.92 : 17,258.89 = 8,014.78 : x
  2. Step 2: Convert to fraction form
    11,517.92/17,258.89 = 8,014.78/x
  3. Step 3: Cross multiply
    11,517.92x = 17,258.89 × 8,014.78
  4. Step 4: Simplify right side
    11,517.92x = 138,326,143.21
  5. Step 5: Solve for x
    x = 138,326,143.21/11,517.92
  6. Step 6: Final answer
    x = 12,009.64

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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.