Home / 11,203.82-16,808.17-3,412.43

Finding the Fourth Proportional to 11,203.82, 16,808.17 and 3,412.43

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Solution

The fourth proportional to 11,203.82, 16,808.17 and 3,412.43 is: 5,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.82 : 16,808.17 = 3,412.43 : x
  2. Step 2: Convert to fraction form
    11,203.82/16,808.17 = 3,412.43/x
  3. Step 3: Cross multiply
    11,203.82x = 16,808.17 × 3,412.43
  4. Step 4: Simplify right side
    11,203.82x = 57,356,703.55
  5. Step 5: Solve for x
    x = 57,356,703.55/11,203.82
  6. Step 6: Final answer
    x = 5,119.39

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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.