Home / 11,825.31-16,319.61-6,789.54

Finding the Fourth Proportional to 11,825.31, 16,319.61 and 6,789.54

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Solution

The fourth proportional to 11,825.31, 16,319.61 and 6,789.54 is: 9,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.31 : 16,319.61 = 6,789.54 : x
  2. Step 2: Convert to fraction form
    11,825.31/16,319.61 = 6,789.54/x
  3. Step 3: Cross multiply
    11,825.31x = 16,319.61 × 6,789.54
  4. Step 4: Simplify right side
    11,825.31x = 110,802,644.88
  5. Step 5: Solve for x
    x = 110,802,644.88/11,825.31
  6. Step 6: Final answer
    x = 9,369.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.