Home / 11,930.83-17,894.86-3,166.43

Finding the Fourth Proportional to 11,930.83, 17,894.86 and 3,166.43

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Solution

The fourth proportional to 11,930.83, 17,894.86 and 3,166.43 is: 4,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.83 : 17,894.86 = 3,166.43 : x
  2. Step 2: Convert to fraction form
    11,930.83/17,894.86 = 3,166.43/x
  3. Step 3: Cross multiply
    11,930.83x = 17,894.86 × 3,166.43
  4. Step 4: Simplify right side
    11,930.83x = 56,662,724.16
  5. Step 5: Solve for x
    x = 56,662,724.16/11,930.83
  6. Step 6: Final answer
    x = 4,749.27

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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.