Home / 17,377.75-23,981.27-9,419.97

Finding the Fourth Proportional to 17,377.75, 23,981.27 and 9,419.97

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Solution

The fourth proportional to 17,377.75, 23,981.27 and 9,419.97 is: 12,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.75 : 23,981.27 = 9,419.97 : x
  2. Step 2: Convert to fraction form
    17,377.75/23,981.27 = 9,419.97/x
  3. Step 3: Cross multiply
    17,377.75x = 23,981.27 × 9,419.97
  4. Step 4: Simplify right side
    17,377.75x = 225,902,843.96
  5. Step 5: Solve for x
    x = 225,902,843.96/17,377.75
  6. Step 6: Final answer
    x = 12,999.55

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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.