Home / 18,836.26-28,234.67-6,351.98

Finding the Fourth Proportional to 18,836.26, 28,234.67 and 6,351.98

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Solution

The fourth proportional to 18,836.26, 28,234.67 and 6,351.98 is: 9,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.26 : 28,234.67 = 6,351.98 : x
  2. Step 2: Convert to fraction form
    18,836.26/28,234.67 = 6,351.98/x
  3. Step 3: Cross multiply
    18,836.26x = 28,234.67 × 6,351.98
  4. Step 4: Simplify right side
    18,836.26x = 179,346,059.15
  5. Step 5: Solve for x
    x = 179,346,059.15/18,836.26
  6. Step 6: Final answer
    x = 9,521.32

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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.