Home / 11,742.56-17,613.76-3,956.84

Finding the Fourth Proportional to 11,742.56, 17,613.76 and 3,956.84

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Solution

The fourth proportional to 11,742.56, 17,613.76 and 3,956.84 is: 5,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.56 : 17,613.76 = 3,956.84 : x
  2. Step 2: Convert to fraction form
    11,742.56/17,613.76 = 3,956.84/x
  3. Step 3: Cross multiply
    11,742.56x = 17,613.76 × 3,956.84
  4. Step 4: Simplify right side
    11,742.56x = 69,694,830.12
  5. Step 5: Solve for x
    x = 69,694,830.12/11,742.56
  6. Step 6: Final answer
    x = 5,935.23

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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.