Home / 19,651.62-27,116.18-11,266.50

Finding the Fourth Proportional to 19,651.62, 27,116.18 and 11,266.50

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Solution

The fourth proportional to 19,651.62, 27,116.18 and 11,266.50 is: 15,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.62 : 27,116.18 = 11,266.50 : x
  2. Step 2: Convert to fraction form
    19,651.62/27,116.18 = 11,266.50/x
  3. Step 3: Cross multiply
    19,651.62x = 27,116.18 × 11,266.50
  4. Step 4: Simplify right side
    19,651.62x = 305,504,441.97
  5. Step 5: Solve for x
    x = 305,504,441.97/19,651.62
  6. Step 6: Final answer
    x = 15,546.02

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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.