Home / 12,589.50-18,884.65-3,824.49

Finding the Fourth Proportional to 12,589.50, 18,884.65 and 3,824.49

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Solution

The fourth proportional to 12,589.50, 18,884.65 and 3,824.49 is: 5,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.50 : 18,884.65 = 3,824.49 : x
  2. Step 2: Convert to fraction form
    12,589.50/18,884.65 = 3,824.49/x
  3. Step 3: Cross multiply
    12,589.50x = 18,884.65 × 3,824.49
  4. Step 4: Simplify right side
    12,589.50x = 72,224,155.08
  5. Step 5: Solve for x
    x = 72,224,155.08/12,589.50
  6. Step 6: Final answer
    x = 5,736.86

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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.