Home / 11,177.82-16,768.77-3,681.79

Finding the Fourth Proportional to 11,177.82, 16,768.77 and 3,681.79

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Solution

The fourth proportional to 11,177.82, 16,768.77 and 3,681.79 is: 5,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.82 : 16,768.77 = 3,681.79 : x
  2. Step 2: Convert to fraction form
    11,177.82/16,768.77 = 3,681.79/x
  3. Step 3: Cross multiply
    11,177.82x = 16,768.77 × 3,681.79
  4. Step 4: Simplify right side
    11,177.82x = 61,739,089.70
  5. Step 5: Solve for x
    x = 61,739,089.70/11,177.82
  6. Step 6: Final answer
    x = 5,523.36

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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.