Home / 18,413.72-27,616.60-5,262.56

Finding the Fourth Proportional to 18,413.72, 27,616.60 and 5,262.56

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Solution

The fourth proportional to 18,413.72, 27,616.60 and 5,262.56 is: 7,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.72 : 27,616.60 = 5,262.56 : x
  2. Step 2: Convert to fraction form
    18,413.72/27,616.60 = 5,262.56/x
  3. Step 3: Cross multiply
    18,413.72x = 27,616.60 × 5,262.56
  4. Step 4: Simplify right side
    18,413.72x = 145,334,014.50
  5. Step 5: Solve for x
    x = 145,334,014.50/18,413.72
  6. Step 6: Final answer
    x = 7,892.70

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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.