Home / 11,929.52-17,893.74-4,138.94

Finding the Fourth Proportional to 11,929.52, 17,893.74 and 4,138.94

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Solution

The fourth proportional to 11,929.52, 17,893.74 and 4,138.94 is: 6,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.52 : 17,893.74 = 4,138.94 : x
  2. Step 2: Convert to fraction form
    11,929.52/17,893.74 = 4,138.94/x
  3. Step 3: Cross multiply
    11,929.52x = 17,893.74 × 4,138.94
  4. Step 4: Simplify right side
    11,929.52x = 74,061,116.24
  5. Step 5: Solve for x
    x = 74,061,116.24/11,929.52
  6. Step 6: Final answer
    x = 6,208.22

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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.