Home / 17,639.73-26,452.68-7,107.78

Finding the Fourth Proportional to 17,639.73, 26,452.68 and 7,107.78

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Solution

The fourth proportional to 17,639.73, 26,452.68 and 7,107.78 is: 10,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.73 : 26,452.68 = 7,107.78 : x
  2. Step 2: Convert to fraction form
    17,639.73/26,452.68 = 7,107.78/x
  3. Step 3: Cross multiply
    17,639.73x = 26,452.68 × 7,107.78
  4. Step 4: Simplify right side
    17,639.73x = 188,019,902.39
  5. Step 5: Solve for x
    x = 188,019,902.39/17,639.73
  6. Step 6: Final answer
    x = 10,658.89

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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.