Home / 12,182.19-18,262.35-4,791.96

Finding the Fourth Proportional to 12,182.19, 18,262.35 and 4,791.96

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Solution

The fourth proportional to 12,182.19, 18,262.35 and 4,791.96 is: 7,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.19 : 18,262.35 = 4,791.96 : x
  2. Step 2: Convert to fraction form
    12,182.19/18,262.35 = 4,791.96/x
  3. Step 3: Cross multiply
    12,182.19x = 18,262.35 × 4,791.96
  4. Step 4: Simplify right side
    12,182.19x = 87,512,450.71
  5. Step 5: Solve for x
    x = 87,512,450.71/12,182.19
  6. Step 6: Final answer
    x = 7,183.64

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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.