Home / 11,178.11-16,756.74-3,777.39

Finding the Fourth Proportional to 11,178.11, 16,756.74 and 3,777.39

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Solution

The fourth proportional to 11,178.11, 16,756.74 and 3,777.39 is: 5,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.11 : 16,756.74 = 3,777.39 : x
  2. Step 2: Convert to fraction form
    11,178.11/16,756.74 = 3,777.39/x
  3. Step 3: Cross multiply
    11,178.11x = 16,756.74 × 3,777.39
  4. Step 4: Simplify right side
    11,178.11x = 63,296,742.11
  5. Step 5: Solve for x
    x = 63,296,742.11/11,178.11
  6. Step 6: Final answer
    x = 5,662.56

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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.