Home / 10,777.43-16,166.97-3,381.90

Finding the Fourth Proportional to 10,777.43, 16,166.97 and 3,381.90

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Solution

The fourth proportional to 10,777.43, 16,166.97 and 3,381.90 is: 5,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.43 : 16,166.97 = 3,381.90 : x
  2. Step 2: Convert to fraction form
    10,777.43/16,166.97 = 3,381.90/x
  3. Step 3: Cross multiply
    10,777.43x = 16,166.97 × 3,381.90
  4. Step 4: Simplify right side
    10,777.43x = 54,675,075.84
  5. Step 5: Solve for x
    x = 54,675,075.84/10,777.43
  6. Step 6: Final answer
    x = 5,073.11

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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.