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Finding the Fourth Proportional to 9,135.72, 13,623.36 and 9,052.56

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Solution

The fourth proportional to 9,135.72, 13,623.36 and 9,052.56 is: 13,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.72 : 13,623.36 = 9,052.56 : x
  2. Step 2: Convert to fraction form
    9,135.72/13,623.36 = 9,052.56/x
  3. Step 3: Cross multiply
    9,135.72x = 13,623.36 × 9,052.56
  4. Step 4: Simplify right side
    9,135.72x = 123,326,283.80
  5. Step 5: Solve for x
    x = 123,326,283.80/9,135.72
  6. Step 6: Final answer
    x = 13,499.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.