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Finding the Fourth Proportional to 17,424.40, 26,136.60 and 6,343.60

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Solution

The fourth proportional to 17,424.40, 26,136.60 and 6,343.60 is: 9,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,424.40 : 26,136.60 = 6,343.60 : x
  2. Step 2: Convert to fraction form
    17,424.40/26,136.60 = 6,343.60/x
  3. Step 3: Cross multiply
    17,424.40x = 26,136.60 × 6,343.60
  4. Step 4: Simplify right side
    17,424.40x = 165,800,135.76
  5. Step 5: Solve for x
    x = 165,800,135.76/17,424.40
  6. Step 6: Final answer
    x = 9,515.40

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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.