Home / 27,134.12-40,707.50-8,413.18

Finding the Fourth Proportional to 27,134.12, 40,707.50 and 8,413.18

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Solution

The fourth proportional to 27,134.12, 40,707.50 and 8,413.18 is: 12,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.12 : 40,707.50 = 8,413.18 : x
  2. Step 2: Convert to fraction form
    27,134.12/40,707.50 = 8,413.18/x
  3. Step 3: Cross multiply
    27,134.12x = 40,707.50 × 8,413.18
  4. Step 4: Simplify right side
    27,134.12x = 342,479,524.85
  5. Step 5: Solve for x
    x = 342,479,524.85/27,134.12
  6. Step 6: Final answer
    x = 12,621.73

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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.