Home / 10,785.33-16,177.56-3,390.03

Finding the Fourth Proportional to 10,785.33, 16,177.56 and 3,390.03

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Solution

The fourth proportional to 10,785.33, 16,177.56 and 3,390.03 is: 5,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.33 : 16,177.56 = 3,390.03 : x
  2. Step 2: Convert to fraction form
    10,785.33/16,177.56 = 3,390.03/x
  3. Step 3: Cross multiply
    10,785.33x = 16,177.56 × 3,390.03
  4. Step 4: Simplify right side
    10,785.33x = 54,842,413.73
  5. Step 5: Solve for x
    x = 54,842,413.73/10,785.33
  6. Step 6: Final answer
    x = 5,084.91

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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.