Home / 22,218.58-33,321.10-11,682.89

Finding the Fourth Proportional to 22,218.58, 33,321.10 and 11,682.89

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Solution

The fourth proportional to 22,218.58, 33,321.10 and 11,682.89 is: 17,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.58 : 33,321.10 = 11,682.89 : x
  2. Step 2: Convert to fraction form
    22,218.58/33,321.10 = 11,682.89/x
  3. Step 3: Cross multiply
    22,218.58x = 33,321.10 × 11,682.89
  4. Step 4: Simplify right side
    22,218.58x = 389,286,761.53
  5. Step 5: Solve for x
    x = 389,286,761.53/22,218.58
  6. Step 6: Final answer
    x = 17,520.77

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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.