Home / 13,204.92-18,226.32-7,542.72

Finding the Fourth Proportional to 13,204.92, 18,226.32 and 7,542.72

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Solution

The fourth proportional to 13,204.92, 18,226.32 and 7,542.72 is: 10,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.92 : 18,226.32 = 7,542.72 : x
  2. Step 2: Convert to fraction form
    13,204.92/18,226.32 = 7,542.72/x
  3. Step 3: Cross multiply
    13,204.92x = 18,226.32 × 7,542.72
  4. Step 4: Simplify right side
    13,204.92x = 137,476,028.39
  5. Step 5: Solve for x
    x = 137,476,028.39/13,204.92
  6. Step 6: Final answer
    x = 10,410.97

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.