Home / 11,288.26-16,913.41-3,888.61

Finding the Fourth Proportional to 11,288.26, 16,913.41 and 3,888.61

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Solution

The fourth proportional to 11,288.26, 16,913.41 and 3,888.61 is: 5,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.26 : 16,913.41 = 3,888.61 : x
  2. Step 2: Convert to fraction form
    11,288.26/16,913.41 = 3,888.61/x
  3. Step 3: Cross multiply
    11,288.26x = 16,913.41 × 3,888.61
  4. Step 4: Simplify right side
    11,288.26x = 65,769,603.26
  5. Step 5: Solve for x
    x = 65,769,603.26/11,288.26
  6. Step 6: Final answer
    x = 5,826.37

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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.