Home / 14,247.88-21,372.42-3,859.62

Finding the Fourth Proportional to 14,247.88, 21,372.42 and 3,859.62

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Solution

The fourth proportional to 14,247.88, 21,372.42 and 3,859.62 is: 5,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.88 : 21,372.42 = 3,859.62 : x
  2. Step 2: Convert to fraction form
    14,247.88/21,372.42 = 3,859.62/x
  3. Step 3: Cross multiply
    14,247.88x = 21,372.42 × 3,859.62
  4. Step 4: Simplify right side
    14,247.88x = 82,489,419.68
  5. Step 5: Solve for x
    x = 82,489,419.68/14,247.88
  6. Step 6: Final answer
    x = 5,789.59

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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.