Home / 11,186.82-16,780.66-3,395.43

Finding the Fourth Proportional to 11,186.82, 16,780.66 and 3,395.43

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Solution

The fourth proportional to 11,186.82, 16,780.66 and 3,395.43 is: 5,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.82 : 16,780.66 = 3,395.43 : x
  2. Step 2: Convert to fraction form
    11,186.82/16,780.66 = 3,395.43/x
  3. Step 3: Cross multiply
    11,186.82x = 16,780.66 × 3,395.43
  4. Step 4: Simplify right side
    11,186.82x = 56,977,547.90
  5. Step 5: Solve for x
    x = 56,977,547.90/11,186.82
  6. Step 6: Final answer
    x = 5,093.27

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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.