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Finding the Fourth Proportional to 11,797.60, 16,273.64 and 7,549.60

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Solution

The fourth proportional to 11,797.60, 16,273.64 and 7,549.60 is: 10,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.60 : 16,273.64 = 7,549.60 : x
  2. Step 2: Convert to fraction form
    11,797.60/16,273.64 = 7,549.60/x
  3. Step 3: Cross multiply
    11,797.60x = 16,273.64 × 7,549.60
  4. Step 4: Simplify right side
    11,797.60x = 122,859,472.54
  5. Step 5: Solve for x
    x = 122,859,472.54/11,797.60
  6. Step 6: Final answer
    x = 10,413.94

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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.