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Finding the Fourth Proportional to 9,168.54, 13,752.93 and 3,245.30

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Solution

The fourth proportional to 9,168.54, 13,752.93 and 3,245.30 is: 4,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.54 : 13,752.93 = 3,245.30 : x
  2. Step 2: Convert to fraction form
    9,168.54/13,752.93 = 3,245.30/x
  3. Step 3: Cross multiply
    9,168.54x = 13,752.93 × 3,245.30
  4. Step 4: Simplify right side
    9,168.54x = 44,632,413.91
  5. Step 5: Solve for x
    x = 44,632,413.91/9,168.54
  6. Step 6: Final answer
    x = 4,867.99

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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.