Home / 11,335.82-17,003.77-3,940.35

Finding the Fourth Proportional to 11,335.82, 17,003.77 and 3,940.35

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Solution

The fourth proportional to 11,335.82, 17,003.77 and 3,940.35 is: 5,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.82 : 17,003.77 = 3,940.35 : x
  2. Step 2: Convert to fraction form
    11,335.82/17,003.77 = 3,940.35/x
  3. Step 3: Cross multiply
    11,335.82x = 17,003.77 × 3,940.35
  4. Step 4: Simplify right side
    11,335.82x = 67,000,805.12
  5. Step 5: Solve for x
    x = 67,000,805.12/11,335.82
  6. Step 6: Final answer
    x = 5,910.54

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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.