Home / 11,286.27-16,933.73-5,442.39

Finding the Fourth Proportional to 11,286.27, 16,933.73 and 5,442.39

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Solution

The fourth proportional to 11,286.27, 16,933.73 and 5,442.39 is: 8,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.27 : 16,933.73 = 5,442.39 : x
  2. Step 2: Convert to fraction form
    11,286.27/16,933.73 = 5,442.39/x
  3. Step 3: Cross multiply
    11,286.27x = 16,933.73 × 5,442.39
  4. Step 4: Simplify right side
    11,286.27x = 92,159,935.60
  5. Step 5: Solve for x
    x = 92,159,935.60/11,286.27
  6. Step 6: Final answer
    x = 8,165.67

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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.