Home / 12,436.33-18,656.80-4,116.41

Finding the Fourth Proportional to 12,436.33, 18,656.80 and 4,116.41

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Solution

The fourth proportional to 12,436.33, 18,656.80 and 4,116.41 is: 6,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.33 : 18,656.80 = 4,116.41 : x
  2. Step 2: Convert to fraction form
    12,436.33/18,656.80 = 4,116.41/x
  3. Step 3: Cross multiply
    12,436.33x = 18,656.80 × 4,116.41
  4. Step 4: Simplify right side
    12,436.33x = 76,799,074.44
  5. Step 5: Solve for x
    x = 76,799,074.44/12,436.33
  6. Step 6: Final answer
    x = 6,175.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.