Home / 17,480.23-26,194.42-12,840.55

Finding the Fourth Proportional to 17,480.23, 26,194.42 and 12,840.55

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Solution

The fourth proportional to 17,480.23, 26,194.42 and 12,840.55 is: 19,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.23 : 26,194.42 = 12,840.55 : x
  2. Step 2: Convert to fraction form
    17,480.23/26,194.42 = 12,840.55/x
  3. Step 3: Cross multiply
    17,480.23x = 26,194.42 × 12,840.55
  4. Step 4: Simplify right side
    17,480.23x = 336,350,759.73
  5. Step 5: Solve for x
    x = 336,350,759.73/17,480.23
  6. Step 6: Final answer
    x = 19,241.78

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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.