Home / 12,969.32-19,453.97-3,608.96

Finding the Fourth Proportional to 12,969.32, 19,453.97 and 3,608.96

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Solution

The fourth proportional to 12,969.32, 19,453.97 and 3,608.96 is: 5,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.32 : 19,453.97 = 3,608.96 : x
  2. Step 2: Convert to fraction form
    12,969.32/19,453.97 = 3,608.96/x
  3. Step 3: Cross multiply
    12,969.32x = 19,453.97 × 3,608.96
  4. Step 4: Simplify right side
    12,969.32x = 70,208,511.32
  5. Step 5: Solve for x
    x = 70,208,511.32/12,969.32
  6. Step 6: Final answer
    x = 5,413.43

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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.