Home / 11,339.52-17,005.08-3,942

Finding the Fourth Proportional to 11,339.52, 17,005.08 and 3,942

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Solution

The fourth proportional to 11,339.52, 17,005.08 and 3,942 is: 5,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.52 : 17,005.08 = 3,942 : x
  2. Step 2: Convert to fraction form
    11,339.52/17,005.08 = 3,942/x
  3. Step 3: Cross multiply
    11,339.52x = 17,005.08 × 3,942
  4. Step 4: Simplify right side
    11,339.52x = 67,034,025.36
  5. Step 5: Solve for x
    x = 67,034,025.36/11,339.52
  6. Step 6: Final answer
    x = 5,911.54

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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.