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Finding the Fourth Proportional to 12,084.63, 18,119.55 and 11,053.32

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Solution

The fourth proportional to 12,084.63, 18,119.55 and 11,053.32 is: 16,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.63 : 18,119.55 = 11,053.32 : x
  2. Step 2: Convert to fraction form
    12,084.63/18,119.55 = 11,053.32/x
  3. Step 3: Cross multiply
    12,084.63x = 18,119.55 × 11,053.32
  4. Step 4: Simplify right side
    12,084.63x = 200,281,184.41
  5. Step 5: Solve for x
    x = 200,281,184.41/12,084.63
  6. Step 6: Final answer
    x = 16,573.22

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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.