Home / 13,413.94-20,106.32-5,613.64

Finding the Fourth Proportional to 13,413.94, 20,106.32 and 5,613.64

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Solution

The fourth proportional to 13,413.94, 20,106.32 and 5,613.64 is: 8,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.94 : 20,106.32 = 5,613.64 : x
  2. Step 2: Convert to fraction form
    13,413.94/20,106.32 = 5,613.64/x
  3. Step 3: Cross multiply
    13,413.94x = 20,106.32 × 5,613.64
  4. Step 4: Simplify right side
    13,413.94x = 112,869,642.20
  5. Step 5: Solve for x
    x = 112,869,642.20/13,413.94
  6. Step 6: Final answer
    x = 8,414.35

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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.