Home / 20,190.44-30,289.11-6,862.02

Finding the Fourth Proportional to 20,190.44, 30,289.11 and 6,862.02

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Solution

The fourth proportional to 20,190.44, 30,289.11 and 6,862.02 is: 10,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.44 : 30,289.11 = 6,862.02 : x
  2. Step 2: Convert to fraction form
    20,190.44/30,289.11 = 6,862.02/x
  3. Step 3: Cross multiply
    20,190.44x = 30,289.11 × 6,862.02
  4. Step 4: Simplify right side
    20,190.44x = 207,844,478.60
  5. Step 5: Solve for x
    x = 207,844,478.60/20,190.44
  6. Step 6: Final answer
    x = 10,294.21

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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.