Home / 18,316.97-27,476.62-5,170.37

Finding the Fourth Proportional to 18,316.97, 27,476.62 and 5,170.37

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Solution

The fourth proportional to 18,316.97, 27,476.62 and 5,170.37 is: 7,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.97 : 27,476.62 = 5,170.37 : x
  2. Step 2: Convert to fraction form
    18,316.97/27,476.62 = 5,170.37/x
  3. Step 3: Cross multiply
    18,316.97x = 27,476.62 × 5,170.37
  4. Step 4: Simplify right side
    18,316.97x = 142,064,141.44
  5. Step 5: Solve for x
    x = 142,064,141.44/18,316.97
  6. Step 6: Final answer
    x = 7,755.88

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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.