Home / 11,881.83-17,822.75-3,116.73

Finding the Fourth Proportional to 11,881.83, 17,822.75 and 3,116.73

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Solution

The fourth proportional to 11,881.83, 17,822.75 and 3,116.73 is: 4,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.83 : 17,822.75 = 3,116.73 : x
  2. Step 2: Convert to fraction form
    11,881.83/17,822.75 = 3,116.73/x
  3. Step 3: Cross multiply
    11,881.83x = 17,822.75 × 3,116.73
  4. Step 4: Simplify right side
    11,881.83x = 55,548,684.02
  5. Step 5: Solve for x
    x = 55,548,684.02/11,881.83
  6. Step 6: Final answer
    x = 4,675.10

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Similar ratio
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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.