Home / 11,840.87-17,764.86-3,521.18

Finding the Fourth Proportional to 11,840.87, 17,764.86 and 3,521.18

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Solution

The fourth proportional to 11,840.87, 17,764.86 and 3,521.18 is: 5,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.87 : 17,764.86 = 3,521.18 : x
  2. Step 2: Convert to fraction form
    11,840.87/17,764.86 = 3,521.18/x
  3. Step 3: Cross multiply
    11,840.87x = 17,764.86 × 3,521.18
  4. Step 4: Simplify right side
    11,840.87x = 62,553,269.73
  5. Step 5: Solve for x
    x = 62,553,269.73/11,840.87
  6. Step 6: Final answer
    x = 5,282.83

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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.