Home / 10,193.94-14,067.43-5,718.79

Finding the Fourth Proportional to 10,193.94, 14,067.43 and 5,718.79

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Solution

The fourth proportional to 10,193.94, 14,067.43 and 5,718.79 is: 7,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.94 : 14,067.43 = 5,718.79 : x
  2. Step 2: Convert to fraction form
    10,193.94/14,067.43 = 5,718.79/x
  3. Step 3: Cross multiply
    10,193.94x = 14,067.43 × 5,718.79
  4. Step 4: Simplify right side
    10,193.94x = 80,448,678.01
  5. Step 5: Solve for x
    x = 80,448,678.01/10,193.94
  6. Step 6: Final answer
    x = 7,891.81

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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.