Home / 11,286.86-16,930.38-3,495.66

Finding the Fourth Proportional to 11,286.86, 16,930.38 and 3,495.66

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Solution

The fourth proportional to 11,286.86, 16,930.38 and 3,495.66 is: 5,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.86 : 16,930.38 = 3,495.66 : x
  2. Step 2: Convert to fraction form
    11,286.86/16,930.38 = 3,495.66/x
  3. Step 3: Cross multiply
    11,286.86x = 16,930.38 × 3,495.66
  4. Step 4: Simplify right side
    11,286.86x = 59,182,852.15
  5. Step 5: Solve for x
    x = 59,182,852.15/11,286.86
  6. Step 6: Final answer
    x = 5,243.52

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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.