Home / 18,977.12-26,188.62-11,016.44

Finding the Fourth Proportional to 18,977.12, 26,188.62 and 11,016.44

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Solution

The fourth proportional to 18,977.12, 26,188.62 and 11,016.44 is: 15,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.12 : 26,188.62 = 11,016.44 : x
  2. Step 2: Convert to fraction form
    18,977.12/26,188.62 = 11,016.44/x
  3. Step 3: Cross multiply
    18,977.12x = 26,188.62 × 11,016.44
  4. Step 4: Simplify right side
    18,977.12x = 288,505,360.91
  5. Step 5: Solve for x
    x = 288,505,360.91/18,977.12
  6. Step 6: Final answer
    x = 15,202.80

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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.