Home / 18,450.61-27,659.48-6,761.09

Finding the Fourth Proportional to 18,450.61, 27,659.48 and 6,761.09

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Solution

The fourth proportional to 18,450.61, 27,659.48 and 6,761.09 is: 10,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.61 : 27,659.48 = 6,761.09 : x
  2. Step 2: Convert to fraction form
    18,450.61/27,659.48 = 6,761.09/x
  3. Step 3: Cross multiply
    18,450.61x = 27,659.48 × 6,761.09
  4. Step 4: Simplify right side
    18,450.61x = 187,008,268.98
  5. Step 5: Solve for x
    x = 187,008,268.98/18,450.61
  6. Step 6: Final answer
    x = 10,135.62

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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.