Home / 12,361.28-18,538.56-3,593.92

Finding the Fourth Proportional to 12,361.28, 18,538.56 and 3,593.92

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Solution

The fourth proportional to 12,361.28, 18,538.56 and 3,593.92 is: 5,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.28 : 18,538.56 = 3,593.92 : x
  2. Step 2: Convert to fraction form
    12,361.28/18,538.56 = 3,593.92/x
  3. Step 3: Cross multiply
    12,361.28x = 18,538.56 × 3,593.92
  4. Step 4: Simplify right side
    12,361.28x = 66,626,101.56
  5. Step 5: Solve for x
    x = 66,626,101.56/12,361.28
  6. Step 6: Final answer
    x = 5,389.90

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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.