Home / 11,757.45-17,635.95-2,872.84

Finding the Fourth Proportional to 11,757.45, 17,635.95 and 2,872.84

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Solution

The fourth proportional to 11,757.45, 17,635.95 and 2,872.84 is: 4,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.45 : 17,635.95 = 2,872.84 : x
  2. Step 2: Convert to fraction form
    11,757.45/17,635.95 = 2,872.84/x
  3. Step 3: Cross multiply
    11,757.45x = 17,635.95 × 2,872.84
  4. Step 4: Simplify right side
    11,757.45x = 50,665,160.05
  5. Step 5: Solve for x
    x = 50,665,160.05/11,757.45
  6. Step 6: Final answer
    x = 4,309.20

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1.5x scale

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.