Home / 13,879.04-20,792.24-8,244.80

Finding the Fourth Proportional to 13,879.04, 20,792.24 and 8,244.80

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Solution

The fourth proportional to 13,879.04, 20,792.24 and 8,244.80 is: 12,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.04 : 20,792.24 = 8,244.80 : x
  2. Step 2: Convert to fraction form
    13,879.04/20,792.24 = 8,244.80/x
  3. Step 3: Cross multiply
    13,879.04x = 20,792.24 × 8,244.80
  4. Step 4: Simplify right side
    13,879.04x = 171,427,860.35
  5. Step 5: Solve for x
    x = 171,427,860.35/13,879.04
  6. Step 6: Final answer
    x = 12,351.56

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1.5x scale

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.