Home / 11,178.22-16,768.14-3,387.64

Finding the Fourth Proportional to 11,178.22, 16,768.14 and 3,387.64

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Solution

The fourth proportional to 11,178.22, 16,768.14 and 3,387.64 is: 5,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.22 : 16,768.14 = 3,387.64 : x
  2. Step 2: Convert to fraction form
    11,178.22/16,768.14 = 3,387.64/x
  3. Step 3: Cross multiply
    11,178.22x = 16,768.14 × 3,387.64
  4. Step 4: Simplify right side
    11,178.22x = 56,804,421.79
  5. Step 5: Solve for x
    x = 56,804,421.79/11,178.22
  6. Step 6: Final answer
    x = 5,081.71

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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.