Home / 13,413.02-20,120.43-3,552.17

Finding the Fourth Proportional to 13,413.02, 20,120.43 and 3,552.17

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Solution

The fourth proportional to 13,413.02, 20,120.43 and 3,552.17 is: 5,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.02 : 20,120.43 = 3,552.17 : x
  2. Step 2: Convert to fraction form
    13,413.02/20,120.43 = 3,552.17/x
  3. Step 3: Cross multiply
    13,413.02x = 20,120.43 × 3,552.17
  4. Step 4: Simplify right side
    13,413.02x = 71,471,187.83
  5. Step 5: Solve for x
    x = 71,471,187.83/13,413.02
  6. Step 6: Final answer
    x = 5,328.49

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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.