Home / 18,157.68-27,234.48-5,011.92

Finding the Fourth Proportional to 18,157.68, 27,234.48 and 5,011.92

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Solution

The fourth proportional to 18,157.68, 27,234.48 and 5,011.92 is: 7,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.68 : 27,234.48 = 5,011.92 : x
  2. Step 2: Convert to fraction form
    18,157.68/27,234.48 = 5,011.92/x
  3. Step 3: Cross multiply
    18,157.68x = 27,234.48 × 5,011.92
  4. Step 4: Simplify right side
    18,157.68x = 136,497,035.00
  5. Step 5: Solve for x
    x = 136,497,035.00/18,157.68
  6. Step 6: Final answer
    x = 7,517.32

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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.