Home / 12,206.30-18,309.44-4,413.29

Finding the Fourth Proportional to 12,206.30, 18,309.44 and 4,413.29

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Solution

The fourth proportional to 12,206.30, 18,309.44 and 4,413.29 is: 6,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.30 : 18,309.44 = 4,413.29 : x
  2. Step 2: Convert to fraction form
    12,206.30/18,309.44 = 4,413.29/x
  3. Step 3: Cross multiply
    12,206.30x = 18,309.44 × 4,413.29
  4. Step 4: Simplify right side
    12,206.30x = 80,804,754.84
  5. Step 5: Solve for x
    x = 80,804,754.84/12,206.30
  6. Step 6: Final answer
    x = 6,619.92

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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.