Home / 11,418.08-17,100.15-7,894.97

Finding the Fourth Proportional to 11,418.08, 17,100.15 and 7,894.97

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Solution

The fourth proportional to 11,418.08, 17,100.15 and 7,894.97 is: 11,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.08 : 17,100.15 = 7,894.97 : x
  2. Step 2: Convert to fraction form
    11,418.08/17,100.15 = 7,894.97/x
  3. Step 3: Cross multiply
    11,418.08x = 17,100.15 × 7,894.97
  4. Step 4: Simplify right side
    11,418.08x = 135,005,171.25
  5. Step 5: Solve for x
    x = 135,005,171.25/11,418.08
  6. Step 6: Final answer
    x = 11,823.81

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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.