Home / 14,067.87-21,072.03-9,122.82

Finding the Fourth Proportional to 14,067.87, 21,072.03 and 9,122.82

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Solution

The fourth proportional to 14,067.87, 21,072.03 and 9,122.82 is: 13,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.87 : 21,072.03 = 9,122.82 : x
  2. Step 2: Convert to fraction form
    14,067.87/21,072.03 = 9,122.82/x
  3. Step 3: Cross multiply
    14,067.87x = 21,072.03 × 9,122.82
  4. Step 4: Simplify right side
    14,067.87x = 192,236,336.72
  5. Step 5: Solve for x
    x = 192,236,336.72/14,067.87
  6. Step 6: Final answer
    x = 13,664.92

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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.