Home / 19,919.44-27,500.20-13,214.26

Finding the Fourth Proportional to 19,919.44, 27,500.20 and 13,214.26

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Solution

The fourth proportional to 19,919.44, 27,500.20 and 13,214.26 is: 18,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.44 : 27,500.20 = 13,214.26 : x
  2. Step 2: Convert to fraction form
    19,919.44/27,500.20 = 13,214.26/x
  3. Step 3: Cross multiply
    19,919.44x = 27,500.20 × 13,214.26
  4. Step 4: Simplify right side
    19,919.44x = 363,394,792.85
  5. Step 5: Solve for x
    x = 363,394,792.85/19,919.44
  6. Step 6: Final answer
    x = 18,243.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.