Home / 12,742.44-17,559.84-9,198.96

Finding the Fourth Proportional to 12,742.44, 17,559.84 and 9,198.96

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Solution

The fourth proportional to 12,742.44, 17,559.84 and 9,198.96 is: 12,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.44 : 17,559.84 = 9,198.96 : x
  2. Step 2: Convert to fraction form
    12,742.44/17,559.84 = 9,198.96/x
  3. Step 3: Cross multiply
    12,742.44x = 17,559.84 × 9,198.96
  4. Step 4: Simplify right side
    12,742.44x = 161,532,265.77
  5. Step 5: Solve for x
    x = 161,532,265.77/12,742.44
  6. Step 6: Final answer
    x = 12,676.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.