Home / 17,982.20-26,951.70-9,212.60

Finding the Fourth Proportional to 17,982.20, 26,951.70 and 9,212.60

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Solution

The fourth proportional to 17,982.20, 26,951.70 and 9,212.60 is: 13,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.20 : 26,951.70 = 9,212.60 : x
  2. Step 2: Convert to fraction form
    17,982.20/26,951.70 = 9,212.60/x
  3. Step 3: Cross multiply
    17,982.20x = 26,951.70 × 9,212.60
  4. Step 4: Simplify right side
    17,982.20x = 248,295,231.42
  5. Step 5: Solve for x
    x = 248,295,231.42/17,982.20
  6. Step 6: Final answer
    x = 13,807.83

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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.