Home / 12,759.68-19,136.58-4,863.09

Finding the Fourth Proportional to 12,759.68, 19,136.58 and 4,863.09

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Solution

The fourth proportional to 12,759.68, 19,136.58 and 4,863.09 is: 7,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.68 : 19,136.58 = 4,863.09 : x
  2. Step 2: Convert to fraction form
    12,759.68/19,136.58 = 4,863.09/x
  3. Step 3: Cross multiply
    12,759.68x = 19,136.58 × 4,863.09
  4. Step 4: Simplify right side
    12,759.68x = 93,062,910.83
  5. Step 5: Solve for x
    x = 93,062,910.83/12,759.68
  6. Step 6: Final answer
    x = 7,293.52

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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.