Home / 16,657.36-24,998.22-12,286.60

Finding the Fourth Proportional to 16,657.36, 24,998.22 and 12,286.60

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Solution

The fourth proportional to 16,657.36, 24,998.22 and 12,286.60 is: 18,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.36 : 24,998.22 = 12,286.60 : x
  2. Step 2: Convert to fraction form
    16,657.36/24,998.22 = 12,286.60/x
  3. Step 3: Cross multiply
    16,657.36x = 24,998.22 × 12,286.60
  4. Step 4: Simplify right side
    16,657.36x = 307,143,129.85
  5. Step 5: Solve for x
    x = 307,143,129.85/16,657.36
  6. Step 6: Final answer
    x = 18,438.88

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1.5x scale

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.