Home / 12,269.11-18,393.92-5,338.75

Finding the Fourth Proportional to 12,269.11, 18,393.92 and 5,338.75

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Solution

The fourth proportional to 12,269.11, 18,393.92 and 5,338.75 is: 8,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.11 : 18,393.92 = 5,338.75 : x
  2. Step 2: Convert to fraction form
    12,269.11/18,393.92 = 5,338.75/x
  3. Step 3: Cross multiply
    12,269.11x = 18,393.92 × 5,338.75
  4. Step 4: Simplify right side
    12,269.11x = 98,200,513.71
  5. Step 5: Solve for x
    x = 98,200,513.71/12,269.11
  6. Step 6: Final answer
    x = 8,003.88

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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.