Home / 12,589.56-18,884.75-3,824.44

Finding the Fourth Proportional to 12,589.56, 18,884.75 and 3,824.44

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Solution

The fourth proportional to 12,589.56, 18,884.75 and 3,824.44 is: 5,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.56 : 18,884.75 = 3,824.44 : x
  2. Step 2: Convert to fraction form
    12,589.56/18,884.75 = 3,824.44/x
  3. Step 3: Cross multiply
    12,589.56x = 18,884.75 × 3,824.44
  4. Step 4: Simplify right side
    12,589.56x = 72,223,526.96
  5. Step 5: Solve for x
    x = 72,223,526.96/12,589.56
  6. Step 6: Final answer
    x = 5,736.78

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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.