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Finding the Fourth Proportional to 13,052.88, 18,012.78 and 7,084.56

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Solution

The fourth proportional to 13,052.88, 18,012.78 and 7,084.56 is: 9,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.88 : 18,012.78 = 7,084.56 : x
  2. Step 2: Convert to fraction form
    13,052.88/18,012.78 = 7,084.56/x
  3. Step 3: Cross multiply
    13,052.88x = 18,012.78 × 7,084.56
  4. Step 4: Simplify right side
    13,052.88x = 127,612,620.68
  5. Step 5: Solve for x
    x = 127,612,620.68/13,052.88
  6. Step 6: Final answer
    x = 9,776.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.