Home / 12,539.82-17,290.77-7,996.44

Finding the Fourth Proportional to 12,539.82, 17,290.77 and 7,996.44

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Solution

The fourth proportional to 12,539.82, 17,290.77 and 7,996.44 is: 11,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.82 : 17,290.77 = 7,996.44 : x
  2. Step 2: Convert to fraction form
    12,539.82/17,290.77 = 7,996.44/x
  3. Step 3: Cross multiply
    12,539.82x = 17,290.77 × 7,996.44
  4. Step 4: Simplify right side
    12,539.82x = 138,264,604.86
  5. Step 5: Solve for x
    x = 138,264,604.86/12,539.82
  6. Step 6: Final answer
    x = 11,026.04

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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.