Home / 12,759.92-19,136.16-4,966.88

Finding the Fourth Proportional to 12,759.92, 19,136.16 and 4,966.88

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Solution

The fourth proportional to 12,759.92, 19,136.16 and 4,966.88 is: 7,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.92 : 19,136.16 = 4,966.88 : x
  2. Step 2: Convert to fraction form
    12,759.92/19,136.16 = 4,966.88/x
  3. Step 3: Cross multiply
    12,759.92x = 19,136.16 × 4,966.88
  4. Step 4: Simplify right side
    12,759.92x = 95,047,010.38
  5. Step 5: Solve for x
    x = 95,047,010.38/12,759.92
  6. Step 6: Final answer
    x = 7,448.87

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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.