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Finding the Fourth Proportional to 11,924.40, 16,454.40 and 6,619.08

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Solution

The fourth proportional to 11,924.40, 16,454.40 and 6,619.08 is: 9,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.40 : 16,454.40 = 6,619.08 : x
  2. Step 2: Convert to fraction form
    11,924.40/16,454.40 = 6,619.08/x
  3. Step 3: Cross multiply
    11,924.40x = 16,454.40 × 6,619.08
  4. Step 4: Simplify right side
    11,924.40x = 108,912,989.95
  5. Step 5: Solve for x
    x = 108,912,989.95/11,924.40
  6. Step 6: Final answer
    x = 9,133.62

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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.