Home / 11,413.24-15,635.83-10,986.80

Finding the Fourth Proportional to 11,413.24, 15,635.83 and 10,986.80

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Solution

The fourth proportional to 11,413.24, 15,635.83 and 10,986.80 is: 15,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.24 : 15,635.83 = 10,986.80 : x
  2. Step 2: Convert to fraction form
    11,413.24/15,635.83 = 10,986.80/x
  3. Step 3: Cross multiply
    11,413.24x = 15,635.83 × 10,986.80
  4. Step 4: Simplify right side
    11,413.24x = 171,787,737.04
  5. Step 5: Solve for x
    x = 171,787,737.04/11,413.24
  6. Step 6: Final answer
    x = 15,051.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.