Home / 12,374.41-18,561.61-3,609.32

Finding the Fourth Proportional to 12,374.41, 18,561.61 and 3,609.32

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Solution

The fourth proportional to 12,374.41, 18,561.61 and 3,609.32 is: 5,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.41 : 18,561.61 = 3,609.32 : x
  2. Step 2: Convert to fraction form
    12,374.41/18,561.61 = 3,609.32/x
  3. Step 3: Cross multiply
    12,374.41x = 18,561.61 × 3,609.32
  4. Step 4: Simplify right side
    12,374.41x = 66,994,790.21
  5. Step 5: Solve for x
    x = 66,994,790.21/12,374.41
  6. Step 6: Final answer
    x = 5,413.98

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Similar ratio
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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.