Home / 13,839.33-20,759.07-3,451.08

Finding the Fourth Proportional to 13,839.33, 20,759.07 and 3,451.08

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Solution

The fourth proportional to 13,839.33, 20,759.07 and 3,451.08 is: 5,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.33 : 20,759.07 = 3,451.08 : x
  2. Step 2: Convert to fraction form
    13,839.33/20,759.07 = 3,451.08/x
  3. Step 3: Cross multiply
    13,839.33x = 20,759.07 × 3,451.08
  4. Step 4: Simplify right side
    13,839.33x = 71,641,302.08
  5. Step 5: Solve for x
    x = 71,641,302.08/13,839.33
  6. Step 6: Final answer
    x = 5,176.64

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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.