Home / 11,433.40-17,149.38-3,647.80

Finding the Fourth Proportional to 11,433.40, 17,149.38 and 3,647.80

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Solution

The fourth proportional to 11,433.40, 17,149.38 and 3,647.80 is: 5,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.40 : 17,149.38 = 3,647.80 : x
  2. Step 2: Convert to fraction form
    11,433.40/17,149.38 = 3,647.80/x
  3. Step 3: Cross multiply
    11,433.40x = 17,149.38 × 3,647.80
  4. Step 4: Simplify right side
    11,433.40x = 62,557,508.36
  5. Step 5: Solve for x
    x = 62,557,508.36/11,433.40
  6. Step 6: Final answer
    x = 5,471.47

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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.