Home / 13,605.92-20,413.30-6,675.56

Finding the Fourth Proportional to 13,605.92, 20,413.30 and 6,675.56

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Solution

The fourth proportional to 13,605.92, 20,413.30 and 6,675.56 is: 10,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.92 : 20,413.30 = 6,675.56 : x
  2. Step 2: Convert to fraction form
    13,605.92/20,413.30 = 6,675.56/x
  3. Step 3: Cross multiply
    13,605.92x = 20,413.30 × 6,675.56
  4. Step 4: Simplify right side
    13,605.92x = 136,270,208.95
  5. Step 5: Solve for x
    x = 136,270,208.95/13,605.92
  6. Step 6: Final answer
    x = 10,015.51

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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.