Home / 12,330.72-18,495.36-3,096

Finding the Fourth Proportional to 12,330.72, 18,495.36 and 3,096

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Solution

The fourth proportional to 12,330.72, 18,495.36 and 3,096 is: 4,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.72 : 18,495.36 = 3,096 : x
  2. Step 2: Convert to fraction form
    12,330.72/18,495.36 = 3,096/x
  3. Step 3: Cross multiply
    12,330.72x = 18,495.36 × 3,096
  4. Step 4: Simplify right side
    12,330.72x = 57,261,634.56
  5. Step 5: Solve for x
    x = 57,261,634.56/12,330.72
  6. Step 6: Final answer
    x = 4,643.82

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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.