Home / 15,413.67-23,120.52-11,908.80

Finding the Fourth Proportional to 15,413.67, 23,120.52 and 11,908.80

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Solution

The fourth proportional to 15,413.67, 23,120.52 and 11,908.80 is: 17,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.67 : 23,120.52 = 11,908.80 : x
  2. Step 2: Convert to fraction form
    15,413.67/23,120.52 = 11,908.80/x
  3. Step 3: Cross multiply
    15,413.67x = 23,120.52 × 11,908.80
  4. Step 4: Simplify right side
    15,413.67x = 275,337,648.58
  5. Step 5: Solve for x
    x = 275,337,648.58/15,413.67
  6. Step 6: Final answer
    x = 17,863.21

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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.