Home / 11,159.68-16,739.64-3,368.56

Finding the Fourth Proportional to 11,159.68, 16,739.64 and 3,368.56

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Solution

The fourth proportional to 11,159.68, 16,739.64 and 3,368.56 is: 5,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.68 : 16,739.64 = 3,368.56 : x
  2. Step 2: Convert to fraction form
    11,159.68/16,739.64 = 3,368.56/x
  3. Step 3: Cross multiply
    11,159.68x = 16,739.64 × 3,368.56
  4. Step 4: Simplify right side
    11,159.68x = 56,388,481.72
  5. Step 5: Solve for x
    x = 56,388,481.72/11,159.68
  6. Step 6: Final answer
    x = 5,052.88

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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.