Home / 12,539.75-17,304.75-6,874.52

Finding the Fourth Proportional to 12,539.75, 17,304.75 and 6,874.52

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Solution

The fourth proportional to 12,539.75, 17,304.75 and 6,874.52 is: 9,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.75 : 17,304.75 = 6,874.52 : x
  2. Step 2: Convert to fraction form
    12,539.75/17,304.75 = 6,874.52/x
  3. Step 3: Cross multiply
    12,539.75x = 17,304.75 × 6,874.52
  4. Step 4: Simplify right side
    12,539.75x = 118,961,763.45
  5. Step 5: Solve for x
    x = 118,961,763.45/12,539.75
  6. Step 6: Final answer
    x = 9,486.78

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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.