Home / 14,042.53-21,067.67-6,143.61

Finding the Fourth Proportional to 14,042.53, 21,067.67 and 6,143.61

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Solution

The fourth proportional to 14,042.53, 21,067.67 and 6,143.61 is: 9,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.53 : 21,067.67 = 6,143.61 : x
  2. Step 2: Convert to fraction form
    14,042.53/21,067.67 = 6,143.61/x
  3. Step 3: Cross multiply
    14,042.53x = 21,067.67 × 6,143.61
  4. Step 4: Simplify right side
    14,042.53x = 129,431,548.09
  5. Step 5: Solve for x
    x = 129,431,548.09/14,042.53
  6. Step 6: Final answer
    x = 9,217.11

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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.