Home / 11,976.59-17,962.80-3,209.45

Finding the Fourth Proportional to 11,976.59, 17,962.80 and 3,209.45

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Solution

The fourth proportional to 11,976.59, 17,962.80 and 3,209.45 is: 4,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.59 : 17,962.80 = 3,209.45 : x
  2. Step 2: Convert to fraction form
    11,976.59/17,962.80 = 3,209.45/x
  3. Step 3: Cross multiply
    11,976.59x = 17,962.80 × 3,209.45
  4. Step 4: Simplify right side
    11,976.59x = 57,650,618.65
  5. Step 5: Solve for x
    x = 57,650,618.65/11,976.59
  6. Step 6: Final answer
    x = 4,813.61

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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.