Home / 10,757.80-16,138.32-3,360.66

Finding the Fourth Proportional to 10,757.80, 16,138.32 and 3,360.66

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Solution

The fourth proportional to 10,757.80, 16,138.32 and 3,360.66 is: 5,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.80 : 16,138.32 = 3,360.66 : x
  2. Step 2: Convert to fraction form
    10,757.80/16,138.32 = 3,360.66/x
  3. Step 3: Cross multiply
    10,757.80x = 16,138.32 × 3,360.66
  4. Step 4: Simplify right side
    10,757.80x = 54,235,406.49
  5. Step 5: Solve for x
    x = 54,235,406.49/10,757.80
  6. Step 6: Final answer
    x = 5,041.50

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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.