Home / 12,247.30-18,361.95-3,922.54

Finding the Fourth Proportional to 12,247.30, 18,361.95 and 3,922.54

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Solution

The fourth proportional to 12,247.30, 18,361.95 and 3,922.54 is: 5,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.30 : 18,361.95 = 3,922.54 : x
  2. Step 2: Convert to fraction form
    12,247.30/18,361.95 = 3,922.54/x
  3. Step 3: Cross multiply
    12,247.30x = 18,361.95 × 3,922.54
  4. Step 4: Simplify right side
    12,247.30x = 72,025,483.35
  5. Step 5: Solve for x
    x = 72,025,483.35/12,247.30
  6. Step 6: Final answer
    x = 5,880.93

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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.