Home / 11,194.40-15,447.16-6,413.42

Finding the Fourth Proportional to 11,194.40, 15,447.16 and 6,413.42

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Solution

The fourth proportional to 11,194.40, 15,447.16 and 6,413.42 is: 8,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.40 : 15,447.16 = 6,413.42 : x
  2. Step 2: Convert to fraction form
    11,194.40/15,447.16 = 6,413.42/x
  3. Step 3: Cross multiply
    11,194.40x = 15,447.16 × 6,413.42
  4. Step 4: Simplify right side
    11,194.40x = 99,069,147.47
  5. Step 5: Solve for x
    x = 99,069,147.47/11,194.40
  6. Step 6: Final answer
    x = 8,849.89

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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.