Home / 18,735.05-28,098.75-6,884.75

Finding the Fourth Proportional to 18,735.05, 28,098.75 and 6,884.75

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Solution

The fourth proportional to 18,735.05, 28,098.75 and 6,884.75 is: 10,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.05 : 28,098.75 = 6,884.75 : x
  2. Step 2: Convert to fraction form
    18,735.05/28,098.75 = 6,884.75/x
  3. Step 3: Cross multiply
    18,735.05x = 28,098.75 × 6,884.75
  4. Step 4: Simplify right side
    18,735.05x = 193,452,728.57
  5. Step 5: Solve for x
    x = 193,452,728.57/18,735.05
  6. Step 6: Final answer
    x = 10,325.71

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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.