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Finding the Fourth Proportional to 15,184.56, 20,967.89 and 9,529.12

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Solution

The fourth proportional to 15,184.56, 20,967.89 and 9,529.12 is: 13,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.56 : 20,967.89 = 9,529.12 : x
  2. Step 2: Convert to fraction form
    15,184.56/20,967.89 = 9,529.12/x
  3. Step 3: Cross multiply
    15,184.56x = 20,967.89 × 9,529.12
  4. Step 4: Simplify right side
    15,184.56x = 199,805,539.96
  5. Step 5: Solve for x
    x = 199,805,539.96/15,184.56
  6. Step 6: Final answer
    x = 13,158.47

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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.