Home / 22,539.78-31,104.62-12,467.44

Finding the Fourth Proportional to 22,539.78, 31,104.62 and 12,467.44

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Solution

The fourth proportional to 22,539.78, 31,104.62 and 12,467.44 is: 17,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.78 : 31,104.62 = 12,467.44 : x
  2. Step 2: Convert to fraction form
    22,539.78/31,104.62 = 12,467.44/x
  3. Step 3: Cross multiply
    22,539.78x = 31,104.62 × 12,467.44
  4. Step 4: Simplify right side
    22,539.78x = 387,794,983.57
  5. Step 5: Solve for x
    x = 387,794,983.57/22,539.78
  6. Step 6: Final answer
    x = 17,204.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.