Home / 13,839.51-20,766.23-5,535.75

Finding the Fourth Proportional to 13,839.51, 20,766.23 and 5,535.75

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Solution

The fourth proportional to 13,839.51, 20,766.23 and 5,535.75 is: 8,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.51 : 20,766.23 = 5,535.75 : x
  2. Step 2: Convert to fraction form
    13,839.51/20,766.23 = 5,535.75/x
  3. Step 3: Cross multiply
    13,839.51x = 20,766.23 × 5,535.75
  4. Step 4: Simplify right side
    13,839.51x = 114,956,630.04
  5. Step 5: Solve for x
    x = 114,956,630.04/13,839.51
  6. Step 6: Final answer
    x = 8,306.41

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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.