Home / 11,879.08-17,818.63-3,559.97

Finding the Fourth Proportional to 11,879.08, 17,818.63 and 3,559.97

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Solution

The fourth proportional to 11,879.08, 17,818.63 and 3,559.97 is: 5,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.08 : 17,818.63 = 3,559.97 : x
  2. Step 2: Convert to fraction form
    11,879.08/17,818.63 = 3,559.97/x
  3. Step 3: Cross multiply
    11,879.08x = 17,818.63 × 3,559.97
  4. Step 4: Simplify right side
    11,879.08x = 63,433,823.89
  5. Step 5: Solve for x
    x = 63,433,823.89/11,879.08
  6. Step 6: Final answer
    x = 5,339.96

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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.