Home / 22,365.75-30,866.34-13,413.09

Finding the Fourth Proportional to 22,365.75, 30,866.34 and 13,413.09

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Solution

The fourth proportional to 22,365.75, 30,866.34 and 13,413.09 is: 18,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.75 : 30,866.34 = 13,413.09 : x
  2. Step 2: Convert to fraction form
    22,365.75/30,866.34 = 13,413.09/x
  3. Step 3: Cross multiply
    22,365.75x = 30,866.34 × 13,413.09
  4. Step 4: Simplify right side
    22,365.75x = 414,012,996.39
  5. Step 5: Solve for x
    x = 414,012,996.39/22,365.75
  6. Step 6: Final answer
    x = 18,511.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.