Home / 12,733.39-17,571.80-7,067.81

Finding the Fourth Proportional to 12,733.39, 17,571.80 and 7,067.81

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Solution

The fourth proportional to 12,733.39, 17,571.80 and 7,067.81 is: 9,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.39 : 17,571.80 = 7,067.81 : x
  2. Step 2: Convert to fraction form
    12,733.39/17,571.80 = 7,067.81/x
  3. Step 3: Cross multiply
    12,733.39x = 17,571.80 × 7,067.81
  4. Step 4: Simplify right side
    12,733.39x = 124,194,055.90
  5. Step 5: Solve for x
    x = 124,194,055.90/12,733.39
  6. Step 6: Final answer
    x = 9,753.42

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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.