Home / 11,956.28-17,933.04-3,190.50

Finding the Fourth Proportional to 11,956.28, 17,933.04 and 3,190.50

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Solution

The fourth proportional to 11,956.28, 17,933.04 and 3,190.50 is: 4,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.28 : 17,933.04 = 3,190.50 : x
  2. Step 2: Convert to fraction form
    11,956.28/17,933.04 = 3,190.50/x
  3. Step 3: Cross multiply
    11,956.28x = 17,933.04 × 3,190.50
  4. Step 4: Simplify right side
    11,956.28x = 57,215,364.12
  5. Step 5: Solve for x
    x = 57,215,364.12/11,956.28
  6. Step 6: Final answer
    x = 4,785.38

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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.