Home / 11,893.82-16,413.58-7,177.18

Finding the Fourth Proportional to 11,893.82, 16,413.58 and 7,177.18

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Solution

The fourth proportional to 11,893.82, 16,413.58 and 7,177.18 is: 9,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.82 : 16,413.58 = 7,177.18 : x
  2. Step 2: Convert to fraction form
    11,893.82/16,413.58 = 7,177.18/x
  3. Step 3: Cross multiply
    11,893.82x = 16,413.58 × 7,177.18
  4. Step 4: Simplify right side
    11,893.82x = 117,803,218.10
  5. Step 5: Solve for x
    x = 117,803,218.10/11,893.82
  6. Step 6: Final answer
    x = 9,904.57

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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.