Home / 18,067.92-27,066.81-13,315.45

Finding the Fourth Proportional to 18,067.92, 27,066.81 and 13,315.45

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Solution

The fourth proportional to 18,067.92, 27,066.81 and 13,315.45 is: 19,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.92 : 27,066.81 = 13,315.45 : x
  2. Step 2: Convert to fraction form
    18,067.92/27,066.81 = 13,315.45/x
  3. Step 3: Cross multiply
    18,067.92x = 27,066.81 × 13,315.45
  4. Step 4: Simplify right side
    18,067.92x = 360,406,553.30
  5. Step 5: Solve for x
    x = 360,406,553.30/18,067.92
  6. Step 6: Final answer
    x = 19,947.32

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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.