Home / 9,149.78-13,724.70-2,224.28

Finding the Fourth Proportional to 9,149.78, 13,724.70 and 2,224.28

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Solution

The fourth proportional to 9,149.78, 13,724.70 and 2,224.28 is: 3,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.78 : 13,724.70 = 2,224.28 : x
  2. Step 2: Convert to fraction form
    9,149.78/13,724.70 = 2,224.28/x
  3. Step 3: Cross multiply
    9,149.78x = 13,724.70 × 2,224.28
  4. Step 4: Simplify right side
    9,149.78x = 30,527,575.72
  5. Step 5: Solve for x
    x = 30,527,575.72/9,149.78
  6. Step 6: Final answer
    x = 3,336.43

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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.