Home / 18,550.42-27,820.59-5,399.38

Finding the Fourth Proportional to 18,550.42, 27,820.59 and 5,399.38

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Solution

The fourth proportional to 18,550.42, 27,820.59 and 5,399.38 is: 8,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.42 : 27,820.59 = 5,399.38 : x
  2. Step 2: Convert to fraction form
    18,550.42/27,820.59 = 5,399.38/x
  3. Step 3: Cross multiply
    18,550.42x = 27,820.59 × 5,399.38
  4. Step 4: Simplify right side
    18,550.42x = 150,213,937.23
  5. Step 5: Solve for x
    x = 150,213,937.23/18,550.42
  6. Step 6: Final answer
    x = 8,097.60

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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.