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Finding the Fourth Proportional to 9,124.56, 13,686.84 and 2,199.08

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Solution

The fourth proportional to 9,124.56, 13,686.84 and 2,199.08 is: 3,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.56 : 13,686.84 = 2,199.08 : x
  2. Step 2: Convert to fraction form
    9,124.56/13,686.84 = 2,199.08/x
  3. Step 3: Cross multiply
    9,124.56x = 13,686.84 × 2,199.08
  4. Step 4: Simplify right side
    9,124.56x = 30,098,456.11
  5. Step 5: Solve for x
    x = 30,098,456.11/9,124.56
  6. Step 6: Final answer
    x = 3,298.62

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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.