Home / 12,896.38-19,350.14-6,977.44

Finding the Fourth Proportional to 12,896.38, 19,350.14 and 6,977.44

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Solution

The fourth proportional to 12,896.38, 19,350.14 and 6,977.44 is: 10,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.38 : 19,350.14 = 6,977.44 : x
  2. Step 2: Convert to fraction form
    12,896.38/19,350.14 = 6,977.44/x
  3. Step 3: Cross multiply
    12,896.38x = 19,350.14 × 6,977.44
  4. Step 4: Simplify right side
    12,896.38x = 135,014,321.30
  5. Step 5: Solve for x
    x = 135,014,321.30/12,896.38
  6. Step 6: Final answer
    x = 10,469.16

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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.