Home / 13,192.60-19,791.60-4,433.80

Finding the Fourth Proportional to 13,192.60, 19,791.60 and 4,433.80

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Solution

The fourth proportional to 13,192.60, 19,791.60 and 4,433.80 is: 6,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.60 : 19,791.60 = 4,433.80 : x
  2. Step 2: Convert to fraction form
    13,192.60/19,791.60 = 4,433.80/x
  3. Step 3: Cross multiply
    13,192.60x = 19,791.60 × 4,433.80
  4. Step 4: Simplify right side
    13,192.60x = 87,751,996.08
  5. Step 5: Solve for x
    x = 87,751,996.08/13,192.60
  6. Step 6: Final answer
    x = 6,651.61

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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.