Home / 13,949.26-20,923.92-3,419.33

Finding the Fourth Proportional to 13,949.26, 20,923.92 and 3,419.33

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Solution

The fourth proportional to 13,949.26, 20,923.92 and 3,419.33 is: 5,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.26 : 20,923.92 = 3,419.33 : x
  2. Step 2: Convert to fraction form
    13,949.26/20,923.92 = 3,419.33/x
  3. Step 3: Cross multiply
    13,949.26x = 20,923.92 × 3,419.33
  4. Step 4: Simplify right side
    13,949.26x = 71,545,747.89
  5. Step 5: Solve for x
    x = 71,545,747.89/13,949.26
  6. Step 6: Final answer
    x = 5,129.00

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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.