Home / 10,413.92-15,601.27-5,142.77

Finding the Fourth Proportional to 10,413.92, 15,601.27 and 5,142.77

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Solution

The fourth proportional to 10,413.92, 15,601.27 and 5,142.77 is: 7,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.92 : 15,601.27 = 5,142.77 : x
  2. Step 2: Convert to fraction form
    10,413.92/15,601.27 = 5,142.77/x
  3. Step 3: Cross multiply
    10,413.92x = 15,601.27 × 5,142.77
  4. Step 4: Simplify right side
    10,413.92x = 80,233,652.45
  5. Step 5: Solve for x
    x = 80,233,652.45/10,413.92
  6. Step 6: Final answer
    x = 7,704.46

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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.