Home / 18,015.13-27,003.85-6,164.92

Finding the Fourth Proportional to 18,015.13, 27,003.85 and 6,164.92

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Solution

The fourth proportional to 18,015.13, 27,003.85 and 6,164.92 is: 9,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.13 : 27,003.85 = 6,164.92 : x
  2. Step 2: Convert to fraction form
    18,015.13/27,003.85 = 6,164.92/x
  3. Step 3: Cross multiply
    18,015.13x = 27,003.85 × 6,164.92
  4. Step 4: Simplify right side
    18,015.13x = 166,476,574.94
  5. Step 5: Solve for x
    x = 166,476,574.94/18,015.13
  6. Step 6: Final answer
    x = 9,240.93

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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.