Home / 11,941.68-17,912.52-4,145

Finding the Fourth Proportional to 11,941.68, 17,912.52 and 4,145

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Solution

The fourth proportional to 11,941.68, 17,912.52 and 4,145 is: 6,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.68 : 17,912.52 = 4,145 : x
  2. Step 2: Convert to fraction form
    11,941.68/17,912.52 = 4,145/x
  3. Step 3: Cross multiply
    11,941.68x = 17,912.52 × 4,145
  4. Step 4: Simplify right side
    11,941.68x = 74,247,395.40
  5. Step 5: Solve for x
    x = 74,247,395.40/11,941.68
  6. Step 6: Final answer
    x = 6,217.50

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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.