Home / 18,116.26-27,174.39-8,258.36

Finding the Fourth Proportional to 18,116.26, 27,174.39 and 8,258.36

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Solution

The fourth proportional to 18,116.26, 27,174.39 and 8,258.36 is: 12,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.26 : 27,174.39 = 8,258.36 : x
  2. Step 2: Convert to fraction form
    18,116.26/27,174.39 = 8,258.36/x
  3. Step 3: Cross multiply
    18,116.26x = 27,174.39 × 8,258.36
  4. Step 4: Simplify right side
    18,116.26x = 224,415,728.56
  5. Step 5: Solve for x
    x = 224,415,728.56/18,116.26
  6. Step 6: Final answer
    x = 12,387.53

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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.