Home / 11,517.05-17,278.30-3,725.87

Finding the Fourth Proportional to 11,517.05, 17,278.30 and 3,725.87

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Solution

The fourth proportional to 11,517.05, 17,278.30 and 3,725.87 is: 5,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.05 : 17,278.30 = 3,725.87 : x
  2. Step 2: Convert to fraction form
    11,517.05/17,278.30 = 3,725.87/x
  3. Step 3: Cross multiply
    11,517.05x = 17,278.30 × 3,725.87
  4. Step 4: Simplify right side
    11,517.05x = 64,376,617.89
  5. Step 5: Solve for x
    x = 64,376,617.89/11,517.05
  6. Step 6: Final answer
    x = 5,589.68

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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.