Home / 13,413.24-20,119.86-8,795.16

Finding the Fourth Proportional to 13,413.24, 20,119.86 and 8,795.16

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Solution

The fourth proportional to 13,413.24, 20,119.86 and 8,795.16 is: 13,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.24 : 20,119.86 = 8,795.16 : x
  2. Step 2: Convert to fraction form
    13,413.24/20,119.86 = 8,795.16/x
  3. Step 3: Cross multiply
    13,413.24x = 20,119.86 × 8,795.16
  4. Step 4: Simplify right side
    13,413.24x = 176,957,387.88
  5. Step 5: Solve for x
    x = 176,957,387.88/13,413.24
  6. Step 6: Final answer
    x = 13,192.74

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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.