Home / 19,614.29-27,067.62-11,118.02

Finding the Fourth Proportional to 19,614.29, 27,067.62 and 11,118.02

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Solution

The fourth proportional to 19,614.29, 27,067.62 and 11,118.02 is: 15,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.29 : 27,067.62 = 11,118.02 : x
  2. Step 2: Convert to fraction form
    19,614.29/27,067.62 = 11,118.02/x
  3. Step 3: Cross multiply
    19,614.29x = 27,067.62 × 11,118.02
  4. Step 4: Simplify right side
    19,614.29x = 300,938,284.92
  5. Step 5: Solve for x
    x = 300,938,284.92/19,614.29
  6. Step 6: Final answer
    x = 15,342.81

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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.