Home / 11,929.38-17,894.25-4,138.44

Finding the Fourth Proportional to 11,929.38, 17,894.25 and 4,138.44

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Solution

The fourth proportional to 11,929.38, 17,894.25 and 4,138.44 is: 6,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.38 : 17,894.25 = 4,138.44 : x
  2. Step 2: Convert to fraction form
    11,929.38/17,894.25 = 4,138.44/x
  3. Step 3: Cross multiply
    11,929.38x = 17,894.25 × 4,138.44
  4. Step 4: Simplify right side
    11,929.38x = 74,054,279.97
  5. Step 5: Solve for x
    x = 74,054,279.97/11,929.38
  6. Step 6: Final answer
    x = 6,207.72

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1.5x scale

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.