Home / 12,450.36-18,658.26-8,065.56

Finding the Fourth Proportional to 12,450.36, 18,658.26 and 8,065.56

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Solution

The fourth proportional to 12,450.36, 18,658.26 and 8,065.56 is: 12,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.36 : 18,658.26 = 8,065.56 : x
  2. Step 2: Convert to fraction form
    12,450.36/18,658.26 = 8,065.56/x
  3. Step 3: Cross multiply
    12,450.36x = 18,658.26 × 8,065.56
  4. Step 4: Simplify right side
    12,450.36x = 150,489,315.53
  5. Step 5: Solve for x
    x = 150,489,315.53/12,450.36
  6. Step 6: Final answer
    x = 12,087.15

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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.