Home / 13,962.20-20,936.10-5,192.60

Finding the Fourth Proportional to 13,962.20, 20,936.10 and 5,192.60

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Solution

The fourth proportional to 13,962.20, 20,936.10 and 5,192.60 is: 7,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.20 : 20,936.10 = 5,192.60 : x
  2. Step 2: Convert to fraction form
    13,962.20/20,936.10 = 5,192.60/x
  3. Step 3: Cross multiply
    13,962.20x = 20,936.10 × 5,192.60
  4. Step 4: Simplify right side
    13,962.20x = 108,712,792.86
  5. Step 5: Solve for x
    x = 108,712,792.86/13,962.20
  6. Step 6: Final answer
    x = 7,786.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.