Home / 13,844.06-20,781.11-12,848.97

Finding the Fourth Proportional to 13,844.06, 20,781.11 and 12,848.97

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Solution

The fourth proportional to 13,844.06, 20,781.11 and 12,848.97 is: 19,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.06 : 20,781.11 = 12,848.97 : x
  2. Step 2: Convert to fraction form
    13,844.06/20,781.11 = 12,848.97/x
  3. Step 3: Cross multiply
    13,844.06x = 20,781.11 × 12,848.97
  4. Step 4: Simplify right side
    13,844.06x = 267,015,891.08
  5. Step 5: Solve for x
    x = 267,015,891.08/13,844.06
  6. Step 6: Final answer
    x = 19,287.40

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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.