Home / 11,825.44-17,740.56-4,429.72

Finding the Fourth Proportional to 11,825.44, 17,740.56 and 4,429.72

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Solution

The fourth proportional to 11,825.44, 17,740.56 and 4,429.72 is: 6,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.44 : 17,740.56 = 4,429.72 : x
  2. Step 2: Convert to fraction form
    11,825.44/17,740.56 = 4,429.72/x
  3. Step 3: Cross multiply
    11,825.44x = 17,740.56 × 4,429.72
  4. Step 4: Simplify right side
    11,825.44x = 78,585,713.44
  5. Step 5: Solve for x
    x = 78,585,713.44/11,825.44
  6. Step 6: Final answer
    x = 6,645.48

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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.