Home / 13,558.32-18,704.82-8,842.44

Finding the Fourth Proportional to 13,558.32, 18,704.82 and 8,842.44

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Solution

The fourth proportional to 13,558.32, 18,704.82 and 8,842.44 is: 12,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.32 : 18,704.82 = 8,842.44 : x
  2. Step 2: Convert to fraction form
    13,558.32/18,704.82 = 8,842.44/x
  3. Step 3: Cross multiply
    13,558.32x = 18,704.82 × 8,842.44
  4. Step 4: Simplify right side
    13,558.32x = 165,396,248.56
  5. Step 5: Solve for x
    x = 165,396,248.56/13,558.32
  6. Step 6: Final answer
    x = 12,198.87

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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.