Home / 18,080.81-27,121.35-6,394.02

Finding the Fourth Proportional to 18,080.81, 27,121.35 and 6,394.02

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Solution

The fourth proportional to 18,080.81, 27,121.35 and 6,394.02 is: 9,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.81 : 27,121.35 = 6,394.02 : x
  2. Step 2: Convert to fraction form
    18,080.81/27,121.35 = 6,394.02/x
  3. Step 3: Cross multiply
    18,080.81x = 27,121.35 × 6,394.02
  4. Step 4: Simplify right side
    18,080.81x = 173,414,454.33
  5. Step 5: Solve for x
    x = 173,414,454.33/18,080.81
  6. Step 6: Final answer
    x = 9,591.08

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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.