Home / 22,333.90-30,820.92-12,262.78

Finding the Fourth Proportional to 22,333.90, 30,820.92 and 12,262.78

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Solution

The fourth proportional to 22,333.90, 30,820.92 and 12,262.78 is: 16,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.90 : 30,820.92 = 12,262.78 : x
  2. Step 2: Convert to fraction form
    22,333.90/30,820.92 = 12,262.78/x
  3. Step 3: Cross multiply
    22,333.90x = 30,820.92 × 12,262.78
  4. Step 4: Simplify right side
    22,333.90x = 377,950,161.36
  5. Step 5: Solve for x
    x = 377,950,161.36/22,333.90
  6. Step 6: Final answer
    x = 16,922.71

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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.