Home / 12,362.73-18,546.44-4,967.78

Finding the Fourth Proportional to 12,362.73, 18,546.44 and 4,967.78

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Solution

The fourth proportional to 12,362.73, 18,546.44 and 4,967.78 is: 7,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.73 : 18,546.44 = 4,967.78 : x
  2. Step 2: Convert to fraction form
    12,362.73/18,546.44 = 4,967.78/x
  3. Step 3: Cross multiply
    12,362.73x = 18,546.44 × 4,967.78
  4. Step 4: Simplify right side
    12,362.73x = 92,134,516.13
  5. Step 5: Solve for x
    x = 92,134,516.13/12,362.73
  6. Step 6: Final answer
    x = 7,452.60

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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.