Home / 18,099.60-27,151.68-5,620.56

Finding the Fourth Proportional to 18,099.60, 27,151.68 and 5,620.56

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Solution

The fourth proportional to 18,099.60, 27,151.68 and 5,620.56 is: 8,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.60 : 27,151.68 = 5,620.56 : x
  2. Step 2: Convert to fraction form
    18,099.60/27,151.68 = 5,620.56/x
  3. Step 3: Cross multiply
    18,099.60x = 27,151.68 × 5,620.56
  4. Step 4: Simplify right side
    18,099.60x = 152,607,646.54
  5. Step 5: Solve for x
    x = 152,607,646.54/18,099.60
  6. Step 6: Final answer
    x = 8,431.55

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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.