Home / 18,591.39-27,889.65-5,441.85

Finding the Fourth Proportional to 18,591.39, 27,889.65 and 5,441.85

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Solution

The fourth proportional to 18,591.39, 27,889.65 and 5,441.85 is: 8,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.39 : 27,889.65 = 5,441.85 : x
  2. Step 2: Convert to fraction form
    18,591.39/27,889.65 = 5,441.85/x
  3. Step 3: Cross multiply
    18,591.39x = 27,889.65 × 5,441.85
  4. Step 4: Simplify right side
    18,591.39x = 151,771,291.85
  5. Step 5: Solve for x
    x = 151,771,291.85/18,591.39
  6. Step 6: Final answer
    x = 8,163.53

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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.