Home / 22,348.86-33,512.96-12,991.56

Finding the Fourth Proportional to 22,348.86, 33,512.96 and 12,991.56

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Solution

The fourth proportional to 22,348.86, 33,512.96 and 12,991.56 is: 19,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.86 : 33,512.96 = 12,991.56 : x
  2. Step 2: Convert to fraction form
    22,348.86/33,512.96 = 12,991.56/x
  3. Step 3: Cross multiply
    22,348.86x = 33,512.96 × 12,991.56
  4. Step 4: Simplify right side
    22,348.86x = 435,385,630.62
  5. Step 5: Solve for x
    x = 435,385,630.62/22,348.86
  6. Step 6: Final answer
    x = 19,481.34

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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.