Home / 16,988.74-25,469.64-8,099.39

Finding the Fourth Proportional to 16,988.74, 25,469.64 and 8,099.39

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Solution

The fourth proportional to 16,988.74, 25,469.64 and 8,099.39 is: 12,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.74 : 25,469.64 = 8,099.39 : x
  2. Step 2: Convert to fraction form
    16,988.74/25,469.64 = 8,099.39/x
  3. Step 3: Cross multiply
    16,988.74x = 25,469.64 × 8,099.39
  4. Step 4: Simplify right side
    16,988.74x = 206,288,611.19
  5. Step 5: Solve for x
    x = 206,288,611.19/16,988.74
  6. Step 6: Final answer
    x = 12,142.67

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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.