Home / 10,806.36-16,200.30-4,147.64

Finding the Fourth Proportional to 10,806.36, 16,200.30 and 4,147.64

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Solution

The fourth proportional to 10,806.36, 16,200.30 and 4,147.64 is: 6,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.36 : 16,200.30 = 4,147.64 : x
  2. Step 2: Convert to fraction form
    10,806.36/16,200.30 = 4,147.64/x
  3. Step 3: Cross multiply
    10,806.36x = 16,200.30 × 4,147.64
  4. Step 4: Simplify right side
    10,806.36x = 67,193,012.29
  5. Step 5: Solve for x
    x = 67,193,012.29/10,806.36
  6. Step 6: Final answer
    x = 6,217.91

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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.