Home / 11,186.80-16,782.64-3,396.22

Finding the Fourth Proportional to 11,186.80, 16,782.64 and 3,396.22

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Solution

The fourth proportional to 11,186.80, 16,782.64 and 3,396.22 is: 5,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.80 : 16,782.64 = 3,396.22 : x
  2. Step 2: Convert to fraction form
    11,186.80/16,782.64 = 3,396.22/x
  3. Step 3: Cross multiply
    11,186.80x = 16,782.64 × 3,396.22
  4. Step 4: Simplify right side
    11,186.80x = 56,997,537.62
  5. Step 5: Solve for x
    x = 56,997,537.62/11,186.80
  6. Step 6: Final answer
    x = 5,095.07

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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.