Home / 22,218.44-33,339.96-13,311.88

Finding the Fourth Proportional to 22,218.44, 33,339.96 and 13,311.88

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Solution

The fourth proportional to 22,218.44, 33,339.96 and 13,311.88 is: 19,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.44 : 33,339.96 = 13,311.88 : x
  2. Step 2: Convert to fraction form
    22,218.44/33,339.96 = 13,311.88/x
  3. Step 3: Cross multiply
    22,218.44x = 33,339.96 × 13,311.88
  4. Step 4: Simplify right side
    22,218.44x = 443,817,455.13
  5. Step 5: Solve for x
    x = 443,817,455.13/22,218.44
  6. Step 6: Final answer
    x = 19,975.19

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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.