Home / 12,727.74-19,067.01-7,164.18

Finding the Fourth Proportional to 12,727.74, 19,067.01 and 7,164.18

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Solution

The fourth proportional to 12,727.74, 19,067.01 and 7,164.18 is: 10,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.74 : 19,067.01 = 7,164.18 : x
  2. Step 2: Convert to fraction form
    12,727.74/19,067.01 = 7,164.18/x
  3. Step 3: Cross multiply
    12,727.74x = 19,067.01 × 7,164.18
  4. Step 4: Simplify right side
    12,727.74x = 136,599,491.70
  5. Step 5: Solve for x
    x = 136,599,491.70/12,727.74
  6. Step 6: Final answer
    x = 10,732.42

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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.