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Finding the Fourth Proportional to 8,505.36, 11,741.40 and 7,366.68

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Solution

The fourth proportional to 8,505.36, 11,741.40 and 7,366.68 is: 10,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.36 : 11,741.40 = 7,366.68 : x
  2. Step 2: Convert to fraction form
    8,505.36/11,741.40 = 7,366.68/x
  3. Step 3: Cross multiply
    8,505.36x = 11,741.40 × 7,366.68
  4. Step 4: Simplify right side
    8,505.36x = 86,495,136.55
  5. Step 5: Solve for x
    x = 86,495,136.55/8,505.36
  6. Step 6: Final answer
    x = 10,169.49

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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.