Home / 18,170.94-27,244.80-8,679.36

Finding the Fourth Proportional to 18,170.94, 27,244.80 and 8,679.36

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Solution

The fourth proportional to 18,170.94, 27,244.80 and 8,679.36 is: 13,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.94 : 27,244.80 = 8,679.36 : x
  2. Step 2: Convert to fraction form
    18,170.94/27,244.80 = 8,679.36/x
  3. Step 3: Cross multiply
    18,170.94x = 27,244.80 × 8,679.36
  4. Step 4: Simplify right side
    18,170.94x = 236,467,427.33
  5. Step 5: Solve for x
    x = 236,467,427.33/18,170.94
  6. Step 6: Final answer
    x = 13,013.49

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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.