Home / 11,869.48-17,805.66-4,080.04

Finding the Fourth Proportional to 11,869.48, 17,805.66 and 4,080.04

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Solution

The fourth proportional to 11,869.48, 17,805.66 and 4,080.04 is: 6,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.48 : 17,805.66 = 4,080.04 : x
  2. Step 2: Convert to fraction form
    11,869.48/17,805.66 = 4,080.04/x
  3. Step 3: Cross multiply
    11,869.48x = 17,805.66 × 4,080.04
  4. Step 4: Simplify right side
    11,869.48x = 72,647,805.03
  5. Step 5: Solve for x
    x = 72,647,805.03/11,869.48
  6. Step 6: Final answer
    x = 6,120.55

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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.