Home / 20,182.88-30,266.23-8,338.48

Finding the Fourth Proportional to 20,182.88, 30,266.23 and 8,338.48

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Solution

The fourth proportional to 20,182.88, 30,266.23 and 8,338.48 is: 12,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.88 : 30,266.23 = 8,338.48 : x
  2. Step 2: Convert to fraction form
    20,182.88/30,266.23 = 8,338.48/x
  3. Step 3: Cross multiply
    20,182.88x = 30,266.23 × 8,338.48
  4. Step 4: Simplify right side
    20,182.88x = 252,374,296.11
  5. Step 5: Solve for x
    x = 252,374,296.11/20,182.88
  6. Step 6: Final answer
    x = 12,504.37

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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.