Home / 20,374.22-30,553.82-7,043.84

Finding the Fourth Proportional to 20,374.22, 30,553.82 and 7,043.84

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Solution

The fourth proportional to 20,374.22, 30,553.82 and 7,043.84 is: 10,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.22 : 30,553.82 = 7,043.84 : x
  2. Step 2: Convert to fraction form
    20,374.22/30,553.82 = 7,043.84/x
  3. Step 3: Cross multiply
    20,374.22x = 30,553.82 × 7,043.84
  4. Step 4: Simplify right side
    20,374.22x = 215,216,184.25
  5. Step 5: Solve for x
    x = 215,216,184.25/20,374.22
  6. Step 6: Final answer
    x = 10,563.16

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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.