Home / 11,006.66-16,514.04-3,987.20

Finding the Fourth Proportional to 11,006.66, 16,514.04 and 3,987.20

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Solution

The fourth proportional to 11,006.66, 16,514.04 and 3,987.20 is: 5,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.66 : 16,514.04 = 3,987.20 : x
  2. Step 2: Convert to fraction form
    11,006.66/16,514.04 = 3,987.20/x
  3. Step 3: Cross multiply
    11,006.66x = 16,514.04 × 3,987.20
  4. Step 4: Simplify right side
    11,006.66x = 65,844,780.29
  5. Step 5: Solve for x
    x = 65,844,780.29/11,006.66
  6. Step 6: Final answer
    x = 5,982.27

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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.