Home / 9,982-14,972.94-2,586.44

Finding the Fourth Proportional to 9,982, 14,972.94 and 2,586.44

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Solution

The fourth proportional to 9,982, 14,972.94 and 2,586.44 is: 3,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982 : 14,972.94 = 2,586.44 : x
  2. Step 2: Convert to fraction form
    9,982/14,972.94 = 2,586.44/x
  3. Step 3: Cross multiply
    9,982x = 14,972.94 × 2,586.44
  4. Step 4: Simplify right side
    9,982x = 38,726,610.93
  5. Step 5: Solve for x
    x = 38,726,610.93/9,982
  6. Step 6: Final answer
    x = 3,879.64

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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.