Home / 12,413.38-18,620.09-5,834.77

Finding the Fourth Proportional to 12,413.38, 18,620.09 and 5,834.77

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Solution

The fourth proportional to 12,413.38, 18,620.09 and 5,834.77 is: 8,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.38 : 18,620.09 = 5,834.77 : x
  2. Step 2: Convert to fraction form
    12,413.38/18,620.09 = 5,834.77/x
  3. Step 3: Cross multiply
    12,413.38x = 18,620.09 × 5,834.77
  4. Step 4: Simplify right side
    12,413.38x = 108,643,942.53
  5. Step 5: Solve for x
    x = 108,643,942.53/12,413.38
  6. Step 6: Final answer
    x = 8,752.16

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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.