Home / 22,278.89-33,418.77-8,231.67

Finding the Fourth Proportional to 22,278.89, 33,418.77 and 8,231.67

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Solution

The fourth proportional to 22,278.89, 33,418.77 and 8,231.67 is: 12,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.89 : 33,418.77 = 8,231.67 : x
  2. Step 2: Convert to fraction form
    22,278.89/33,418.77 = 8,231.67/x
  3. Step 3: Cross multiply
    22,278.89x = 33,418.77 × 8,231.67
  4. Step 4: Simplify right side
    22,278.89x = 275,092,255.58
  5. Step 5: Solve for x
    x = 275,092,255.58/22,278.89
  6. Step 6: Final answer
    x = 12,347.66

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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.