Home / 11,620.44-17,431.74-6,680.52

Finding the Fourth Proportional to 11,620.44, 17,431.74 and 6,680.52

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Solution

The fourth proportional to 11,620.44, 17,431.74 and 6,680.52 is: 10,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.44 : 17,431.74 = 6,680.52 : x
  2. Step 2: Convert to fraction form
    11,620.44/17,431.74 = 6,680.52/x
  3. Step 3: Cross multiply
    11,620.44x = 17,431.74 × 6,680.52
  4. Step 4: Simplify right side
    11,620.44x = 116,453,087.70
  5. Step 5: Solve for x
    x = 116,453,087.70/11,620.44
  6. Step 6: Final answer
    x = 10,021.40

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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.