Home / 9,821.72-14,724.30-3,982.43

Finding the Fourth Proportional to 9,821.72, 14,724.30 and 3,982.43

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Solution

The fourth proportional to 9,821.72, 14,724.30 and 3,982.43 is: 5,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.72 : 14,724.30 = 3,982.43 : x
  2. Step 2: Convert to fraction form
    9,821.72/14,724.30 = 3,982.43/x
  3. Step 3: Cross multiply
    9,821.72x = 14,724.30 × 3,982.43
  4. Step 4: Simplify right side
    9,821.72x = 58,638,494.05
  5. Step 5: Solve for x
    x = 58,638,494.05/9,821.72
  6. Step 6: Final answer
    x = 5,970.29

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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.