Home / 10,816.67-16,227.88-3,421.26

Finding the Fourth Proportional to 10,816.67, 16,227.88 and 3,421.26

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Solution

The fourth proportional to 10,816.67, 16,227.88 and 3,421.26 is: 5,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.67 : 16,227.88 = 3,421.26 : x
  2. Step 2: Convert to fraction form
    10,816.67/16,227.88 = 3,421.26/x
  3. Step 3: Cross multiply
    10,816.67x = 16,227.88 × 3,421.26
  4. Step 4: Simplify right side
    10,816.67x = 55,519,788.18
  5. Step 5: Solve for x
    x = 55,519,788.18/10,816.67
  6. Step 6: Final answer
    x = 5,132.80

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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.