Home / 10,773.90-16,161.21-2,982.06

Finding the Fourth Proportional to 10,773.90, 16,161.21 and 2,982.06

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Solution

The fourth proportional to 10,773.90, 16,161.21 and 2,982.06 is: 4,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773.90 : 16,161.21 = 2,982.06 : x
  2. Step 2: Convert to fraction form
    10,773.90/16,161.21 = 2,982.06/x
  3. Step 3: Cross multiply
    10,773.90x = 16,161.21 × 2,982.06
  4. Step 4: Simplify right side
    10,773.90x = 48,193,697.89
  5. Step 5: Solve for x
    x = 48,193,697.89/10,773.90
  6. Step 6: Final answer
    x = 4,473.19

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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.