Home / 13,859.62-20,789.43-3,471.37

Finding the Fourth Proportional to 13,859.62, 20,789.43 and 3,471.37

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Solution

The fourth proportional to 13,859.62, 20,789.43 and 3,471.37 is: 5,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.62 : 20,789.43 = 3,471.37 : x
  2. Step 2: Convert to fraction form
    13,859.62/20,789.43 = 3,471.37/x
  3. Step 3: Cross multiply
    13,859.62x = 20,789.43 × 3,471.37
  4. Step 4: Simplify right side
    13,859.62x = 72,167,803.62
  5. Step 5: Solve for x
    x = 72,167,803.62/13,859.62
  6. Step 6: Final answer
    x = 5,207.06

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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.