Home / 11,512.13-17,272.24-5,672.84

Finding the Fourth Proportional to 11,512.13, 17,272.24 and 5,672.84

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Solution

The fourth proportional to 11,512.13, 17,272.24 and 5,672.84 is: 8,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.13 : 17,272.24 = 5,672.84 : x
  2. Step 2: Convert to fraction form
    11,512.13/17,272.24 = 5,672.84/x
  3. Step 3: Cross multiply
    11,512.13x = 17,272.24 × 5,672.84
  4. Step 4: Simplify right side
    11,512.13x = 97,982,553.42
  5. Step 5: Solve for x
    x = 97,982,553.42/11,512.13
  6. Step 6: Final answer
    x = 8,511.25

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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.