Home / 14,229.27-19,637.46-7,857.09

Finding the Fourth Proportional to 14,229.27, 19,637.46 and 7,857.09

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Solution

The fourth proportional to 14,229.27, 19,637.46 and 7,857.09 is: 10,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.27 : 19,637.46 = 7,857.09 : x
  2. Step 2: Convert to fraction form
    14,229.27/19,637.46 = 7,857.09/x
  3. Step 3: Cross multiply
    14,229.27x = 19,637.46 × 7,857.09
  4. Step 4: Simplify right side
    14,229.27x = 154,293,290.59
  5. Step 5: Solve for x
    x = 154,293,290.59/14,229.27
  6. Step 6: Final answer
    x = 10,843.37

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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.