Home / 10,820.67-16,233.88-3,425.26

Finding the Fourth Proportional to 10,820.67, 16,233.88 and 3,425.26

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Solution

The fourth proportional to 10,820.67, 16,233.88 and 3,425.26 is: 5,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.67 : 16,233.88 = 3,425.26 : x
  2. Step 2: Convert to fraction form
    10,820.67/16,233.88 = 3,425.26/x
  3. Step 3: Cross multiply
    10,820.67x = 16,233.88 × 3,425.26
  4. Step 4: Simplify right side
    10,820.67x = 55,605,259.81
  5. Step 5: Solve for x
    x = 55,605,259.81/10,820.67
  6. Step 6: Final answer
    x = 5,138.80

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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.