Home / 13,951.98-19,251.27-7,982.33

Finding the Fourth Proportional to 13,951.98, 19,251.27 and 7,982.33

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Solution

The fourth proportional to 13,951.98, 19,251.27 and 7,982.33 is: 11,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.98 : 19,251.27 = 7,982.33 : x
  2. Step 2: Convert to fraction form
    13,951.98/19,251.27 = 7,982.33/x
  3. Step 3: Cross multiply
    13,951.98x = 19,251.27 × 7,982.33
  4. Step 4: Simplify right side
    13,951.98x = 153,669,893.80
  5. Step 5: Solve for x
    x = 153,669,893.80/13,951.98
  6. Step 6: Final answer
    x = 11,014.20

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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.