Home / 13,893.42-19,172.97-8,227.86

Finding the Fourth Proportional to 13,893.42, 19,172.97 and 8,227.86

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Solution

The fourth proportional to 13,893.42, 19,172.97 and 8,227.86 is: 11,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.42 : 19,172.97 = 8,227.86 : x
  2. Step 2: Convert to fraction form
    13,893.42/19,172.97 = 8,227.86/x
  3. Step 3: Cross multiply
    13,893.42x = 19,172.97 × 8,227.86
  4. Step 4: Simplify right side
    13,893.42x = 157,752,512.94
  5. Step 5: Solve for x
    x = 157,752,512.94/13,893.42
  6. Step 6: Final answer
    x = 11,354.48

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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.