Home / 12,997.26-19,496.70-5,205.06

Finding the Fourth Proportional to 12,997.26, 19,496.70 and 5,205.06

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Solution

The fourth proportional to 12,997.26, 19,496.70 and 5,205.06 is: 7,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.26 : 19,496.70 = 5,205.06 : x
  2. Step 2: Convert to fraction form
    12,997.26/19,496.70 = 5,205.06/x
  3. Step 3: Cross multiply
    12,997.26x = 19,496.70 × 5,205.06
  4. Step 4: Simplify right side
    12,997.26x = 101,481,493.30
  5. Step 5: Solve for x
    x = 101,481,493.30/12,997.26
  6. Step 6: Final answer
    x = 7,807.91

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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.