Home / 12,194.06-18,289.20-3,873

Finding the Fourth Proportional to 12,194.06, 18,289.20 and 3,873

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Solution

The fourth proportional to 12,194.06, 18,289.20 and 3,873 is: 5,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.06 : 18,289.20 = 3,873 : x
  2. Step 2: Convert to fraction form
    12,194.06/18,289.20 = 3,873/x
  3. Step 3: Cross multiply
    12,194.06x = 18,289.20 × 3,873
  4. Step 4: Simplify right side
    12,194.06x = 70,834,071.60
  5. Step 5: Solve for x
    x = 70,834,071.60/12,194.06
  6. Step 6: Final answer
    x = 5,808.90

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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.