Home / 11,813.14-17,714.31-4,019.86

Finding the Fourth Proportional to 11,813.14, 17,714.31 and 4,019.86

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Solution

The fourth proportional to 11,813.14, 17,714.31 and 4,019.86 is: 6,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.14 : 17,714.31 = 4,019.86 : x
  2. Step 2: Convert to fraction form
    11,813.14/17,714.31 = 4,019.86/x
  3. Step 3: Cross multiply
    11,813.14x = 17,714.31 × 4,019.86
  4. Step 4: Simplify right side
    11,813.14x = 71,209,046.20
  5. Step 5: Solve for x
    x = 71,209,046.20/11,813.14
  6. Step 6: Final answer
    x = 6,027.95

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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.