Home / 18,363.64-27,555.84-7,832.56

Finding the Fourth Proportional to 18,363.64, 27,555.84 and 7,832.56

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Solution

The fourth proportional to 18,363.64, 27,555.84 and 7,832.56 is: 11,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.64 : 27,555.84 = 7,832.56 : x
  2. Step 2: Convert to fraction form
    18,363.64/27,555.84 = 7,832.56/x
  3. Step 3: Cross multiply
    18,363.64x = 27,555.84 × 7,832.56
  4. Step 4: Simplify right side
    18,363.64x = 215,832,770.15
  5. Step 5: Solve for x
    x = 215,832,770.15/18,363.64
  6. Step 6: Final answer
    x = 11,753.27

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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.