Home / 13,292.82-19,921.82-6,715.44

Finding the Fourth Proportional to 13,292.82, 19,921.82 and 6,715.44

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Solution

The fourth proportional to 13,292.82, 19,921.82 and 6,715.44 is: 10,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.82 : 19,921.82 = 6,715.44 : x
  2. Step 2: Convert to fraction form
    13,292.82/19,921.82 = 6,715.44/x
  3. Step 3: Cross multiply
    13,292.82x = 19,921.82 × 6,715.44
  4. Step 4: Simplify right side
    13,292.82x = 133,783,786.90
  5. Step 5: Solve for x
    x = 133,783,786.90/13,292.82
  6. Step 6: Final answer
    x = 10,064.36

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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.