Home / 10,664.22-15,997.68-3,645.58

Finding the Fourth Proportional to 10,664.22, 15,997.68 and 3,645.58

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Solution

The fourth proportional to 10,664.22, 15,997.68 and 3,645.58 is: 5,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.22 : 15,997.68 = 3,645.58 : x
  2. Step 2: Convert to fraction form
    10,664.22/15,997.68 = 3,645.58/x
  3. Step 3: Cross multiply
    10,664.22x = 15,997.68 × 3,645.58
  4. Step 4: Simplify right side
    10,664.22x = 58,320,822.25
  5. Step 5: Solve for x
    x = 58,320,822.25/10,664.22
  6. Step 6: Final answer
    x = 5,468.83

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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.