Home / 13,961.62-19,270.35-7,996.72

Finding the Fourth Proportional to 13,961.62, 19,270.35 and 7,996.72

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Solution

The fourth proportional to 13,961.62, 19,270.35 and 7,996.72 is: 11,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.62 : 19,270.35 = 7,996.72 : x
  2. Step 2: Convert to fraction form
    13,961.62/19,270.35 = 7,996.72/x
  3. Step 3: Cross multiply
    13,961.62x = 19,270.35 × 7,996.72
  4. Step 4: Simplify right side
    13,961.62x = 154,099,593.25
  5. Step 5: Solve for x
    x = 154,099,593.25/13,961.62
  6. Step 6: Final answer
    x = 11,037.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.