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Finding the Fourth Proportional to 11,458.60, 17,193.70 and 5,217.74

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Solution

The fourth proportional to 11,458.60, 17,193.70 and 5,217.74 is: 7,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.60 : 17,193.70 = 5,217.74 : x
  2. Step 2: Convert to fraction form
    11,458.60/17,193.70 = 5,217.74/x
  3. Step 3: Cross multiply
    11,458.60x = 17,193.70 × 5,217.74
  4. Step 4: Simplify right side
    11,458.60x = 89,712,256.24
  5. Step 5: Solve for x
    x = 89,712,256.24/11,458.60
  6. Step 6: Final answer
    x = 7,829.25

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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.