Home / 18,305.28-27,467.12-7,219.92

Finding the Fourth Proportional to 18,305.28, 27,467.12 and 7,219.92

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Solution

The fourth proportional to 18,305.28, 27,467.12 and 7,219.92 is: 10,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.28 : 27,467.12 = 7,219.92 : x
  2. Step 2: Convert to fraction form
    18,305.28/27,467.12 = 7,219.92/x
  3. Step 3: Cross multiply
    18,305.28x = 27,467.12 × 7,219.92
  4. Step 4: Simplify right side
    18,305.28x = 198,310,409.03
  5. Step 5: Solve for x
    x = 198,310,409.03/18,305.28
  6. Step 6: Final answer
    x = 10,833.51

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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.