Home / 18,450.18-27,686.25-6,764.22

Finding the Fourth Proportional to 18,450.18, 27,686.25 and 6,764.22

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Solution

The fourth proportional to 18,450.18, 27,686.25 and 6,764.22 is: 10,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.18 : 27,686.25 = 6,764.22 : x
  2. Step 2: Convert to fraction form
    18,450.18/27,686.25 = 6,764.22/x
  3. Step 3: Cross multiply
    18,450.18x = 27,686.25 × 6,764.22
  4. Step 4: Simplify right side
    18,450.18x = 187,275,885.98
  5. Step 5: Solve for x
    x = 187,275,885.98/18,450.18
  6. Step 6: Final answer
    x = 10,150.36

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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.