Home / 12,758.67-19,136.97-8,064.99

Finding the Fourth Proportional to 12,758.67, 19,136.97 and 8,064.99

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Solution

The fourth proportional to 12,758.67, 19,136.97 and 8,064.99 is: 12,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.67 : 19,136.97 = 8,064.99 : x
  2. Step 2: Convert to fraction form
    12,758.67/19,136.97 = 8,064.99/x
  3. Step 3: Cross multiply
    12,758.67x = 19,136.97 × 8,064.99
  4. Step 4: Simplify right side
    12,758.67x = 154,339,471.68
  5. Step 5: Solve for x
    x = 154,339,471.68/12,758.67
  6. Step 6: Final answer
    x = 12,096.83

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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.