Home / 11,961.03-16,489.12-8,413.23

Finding the Fourth Proportional to 11,961.03, 16,489.12 and 8,413.23

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Solution

The fourth proportional to 11,961.03, 16,489.12 and 8,413.23 is: 11,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.03 : 16,489.12 = 8,413.23 : x
  2. Step 2: Convert to fraction form
    11,961.03/16,489.12 = 8,413.23/x
  3. Step 3: Cross multiply
    11,961.03x = 16,489.12 × 8,413.23
  4. Step 4: Simplify right side
    11,961.03x = 138,726,815.63
  5. Step 5: Solve for x
    x = 138,726,815.63/11,961.03
  6. Step 6: Final answer
    x = 11,598.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.