Home / 9,134.97-13,735.05-8,413.26

Finding the Fourth Proportional to 9,134.97, 13,735.05 and 8,413.26

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Solution

The fourth proportional to 9,134.97, 13,735.05 and 8,413.26 is: 12,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.97 : 13,735.05 = 8,413.26 : x
  2. Step 2: Convert to fraction form
    9,134.97/13,735.05 = 8,413.26/x
  3. Step 3: Cross multiply
    9,134.97x = 13,735.05 × 8,413.26
  4. Step 4: Simplify right side
    9,134.97x = 115,556,546.76
  5. Step 5: Solve for x
    x = 115,556,546.76/9,134.97
  6. Step 6: Final answer
    x = 12,649.91

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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.