Home / 11,178.18-16,766.30-3,782.48

Finding the Fourth Proportional to 11,178.18, 16,766.30 and 3,782.48

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Solution

The fourth proportional to 11,178.18, 16,766.30 and 3,782.48 is: 5,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.18 : 16,766.30 = 3,782.48 : x
  2. Step 2: Convert to fraction form
    11,178.18/16,766.30 = 3,782.48/x
  3. Step 3: Cross multiply
    11,178.18x = 16,766.30 × 3,782.48
  4. Step 4: Simplify right side
    11,178.18x = 63,418,194.42
  5. Step 5: Solve for x
    x = 63,418,194.42/11,178.18
  6. Step 6: Final answer
    x = 5,673.39

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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.