Home / 15,945.20-23,891.20-11,257.48

Finding the Fourth Proportional to 15,945.20, 23,891.20 and 11,257.48

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Solution

The fourth proportional to 15,945.20, 23,891.20 and 11,257.48 is: 16,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.20 : 23,891.20 = 11,257.48 : x
  2. Step 2: Convert to fraction form
    15,945.20/23,891.20 = 11,257.48/x
  3. Step 3: Cross multiply
    15,945.20x = 23,891.20 × 11,257.48
  4. Step 4: Simplify right side
    15,945.20x = 268,954,706.18
  5. Step 5: Solve for x
    x = 268,954,706.18/15,945.20
  6. Step 6: Final answer
    x = 16,867.44

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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.