Home / 18,540.05-27,809.83-4,500.19

Finding the Fourth Proportional to 18,540.05, 27,809.83 and 4,500.19

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Solution

The fourth proportional to 18,540.05, 27,809.83 and 4,500.19 is: 6,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.05 : 27,809.83 = 4,500.19 : x
  2. Step 2: Convert to fraction form
    18,540.05/27,809.83 = 4,500.19/x
  3. Step 3: Cross multiply
    18,540.05x = 27,809.83 × 4,500.19
  4. Step 4: Simplify right side
    18,540.05x = 125,149,518.87
  5. Step 5: Solve for x
    x = 125,149,518.87/18,540.05
  6. Step 6: Final answer
    x = 6,750.23

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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.