Home / 13,797.06-19,044.27-8,131.44

Finding the Fourth Proportional to 13,797.06, 19,044.27 and 8,131.44

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Solution

The fourth proportional to 13,797.06, 19,044.27 and 8,131.44 is: 11,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.06 : 19,044.27 = 8,131.44 : x
  2. Step 2: Convert to fraction form
    13,797.06/19,044.27 = 8,131.44/x
  3. Step 3: Cross multiply
    13,797.06x = 19,044.27 × 8,131.44
  4. Step 4: Simplify right side
    13,797.06x = 154,857,338.85
  5. Step 5: Solve for x
    x = 154,857,338.85/13,797.06
  6. Step 6: Final answer
    x = 11,223.94

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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.