Home / 18,251.87-27,378.85-5,104.22

Finding the Fourth Proportional to 18,251.87, 27,378.85 and 5,104.22

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Solution

The fourth proportional to 18,251.87, 27,378.85 and 5,104.22 is: 7,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.87 : 27,378.85 = 5,104.22 : x
  2. Step 2: Convert to fraction form
    18,251.87/27,378.85 = 5,104.22/x
  3. Step 3: Cross multiply
    18,251.87x = 27,378.85 × 5,104.22
  4. Step 4: Simplify right side
    18,251.87x = 139,747,673.75
  5. Step 5: Solve for x
    x = 139,747,673.75/18,251.87
  6. Step 6: Final answer
    x = 7,656.62

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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.