Home / 11,138.91-16,699.14-5,870.97

Finding the Fourth Proportional to 11,138.91, 16,699.14 and 5,870.97

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Solution

The fourth proportional to 11,138.91, 16,699.14 and 5,870.97 is: 8,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.91 : 16,699.14 = 5,870.97 : x
  2. Step 2: Convert to fraction form
    11,138.91/16,699.14 = 5,870.97/x
  3. Step 3: Cross multiply
    11,138.91x = 16,699.14 × 5,870.97
  4. Step 4: Simplify right side
    11,138.91x = 98,040,149.97
  5. Step 5: Solve for x
    x = 98,040,149.97/11,138.91
  6. Step 6: Final answer
    x = 8,801.59

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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.