Home / 10,806.61-16,200.19-3,876.25

Finding the Fourth Proportional to 10,806.61, 16,200.19 and 3,876.25

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Solution

The fourth proportional to 10,806.61, 16,200.19 and 3,876.25 is: 5,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.61 : 16,200.19 = 3,876.25 : x
  2. Step 2: Convert to fraction form
    10,806.61/16,200.19 = 3,876.25/x
  3. Step 3: Cross multiply
    10,806.61x = 16,200.19 × 3,876.25
  4. Step 4: Simplify right side
    10,806.61x = 62,795,986.49
  5. Step 5: Solve for x
    x = 62,795,986.49/10,806.61
  6. Step 6: Final answer
    x = 5,810.89

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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.