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Finding the Fourth Proportional to 11,919.93, 16,457.07 and 7,672.59

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Solution

The fourth proportional to 11,919.93, 16,457.07 and 7,672.59 is: 10,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.93 : 16,457.07 = 7,672.59 : x
  2. Step 2: Convert to fraction form
    11,919.93/16,457.07 = 7,672.59/x
  3. Step 3: Cross multiply
    11,919.93x = 16,457.07 × 7,672.59
  4. Step 4: Simplify right side
    11,919.93x = 126,268,350.71
  5. Step 5: Solve for x
    x = 126,268,350.71/11,919.93
  6. Step 6: Final answer
    x = 10,593.04

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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.