Home / 18,087.36-27,132.06-5,609.15

Finding the Fourth Proportional to 18,087.36, 27,132.06 and 5,609.15

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Solution

The fourth proportional to 18,087.36, 27,132.06 and 5,609.15 is: 8,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.36 : 27,132.06 = 5,609.15 : x
  2. Step 2: Convert to fraction form
    18,087.36/27,132.06 = 5,609.15/x
  3. Step 3: Cross multiply
    18,087.36x = 27,132.06 × 5,609.15
  4. Step 4: Simplify right side
    18,087.36x = 152,187,913.05
  5. Step 5: Solve for x
    x = 152,187,913.05/18,087.36
  6. Step 6: Final answer
    x = 8,414.05

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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.