Home / 12,629.04-18,942.48-3,395.04

Finding the Fourth Proportional to 12,629.04, 18,942.48 and 3,395.04

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Solution

The fourth proportional to 12,629.04, 18,942.48 and 3,395.04 is: 5,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.04 : 18,942.48 = 3,395.04 : x
  2. Step 2: Convert to fraction form
    12,629.04/18,942.48 = 3,395.04/x
  3. Step 3: Cross multiply
    12,629.04x = 18,942.48 × 3,395.04
  4. Step 4: Simplify right side
    12,629.04x = 64,310,477.30
  5. Step 5: Solve for x
    x = 64,310,477.30/12,629.04
  6. Step 6: Final answer
    x = 5,092.27

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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.