Home / 12,203.60-18,310.36-4,413.04

Finding the Fourth Proportional to 12,203.60, 18,310.36 and 4,413.04

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Solution

The fourth proportional to 12,203.60, 18,310.36 and 4,413.04 is: 6,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.60 : 18,310.36 = 4,413.04 : x
  2. Step 2: Convert to fraction form
    12,203.60/18,310.36 = 4,413.04/x
  3. Step 3: Cross multiply
    12,203.60x = 18,310.36 × 4,413.04
  4. Step 4: Simplify right side
    12,203.60x = 80,804,351.09
  5. Step 5: Solve for x
    x = 80,804,351.09/12,203.60
  6. Step 6: Final answer
    x = 6,621.35

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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.