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Finding the Fourth Proportional to 15,054.56, 20,776.04 and 9,086.12

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Solution

The fourth proportional to 15,054.56, 20,776.04 and 9,086.12 is: 12,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.56 : 20,776.04 = 9,086.12 : x
  2. Step 2: Convert to fraction form
    15,054.56/20,776.04 = 9,086.12/x
  3. Step 3: Cross multiply
    15,054.56x = 20,776.04 × 9,086.12
  4. Step 4: Simplify right side
    15,054.56x = 188,773,592.56
  5. Step 5: Solve for x
    x = 188,773,592.56/15,054.56
  6. Step 6: Final answer
    x = 12,539.30

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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.