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Finding the Fourth Proportional to 11,454.30, 17,167.16 and 5,212.64

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Solution

The fourth proportional to 11,454.30, 17,167.16 and 5,212.64 is: 7,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.30 : 17,167.16 = 5,212.64 : x
  2. Step 2: Convert to fraction form
    11,454.30/17,167.16 = 5,212.64/x
  3. Step 3: Cross multiply
    11,454.30x = 17,167.16 × 5,212.64
  4. Step 4: Simplify right side
    11,454.30x = 89,486,113.00
  5. Step 5: Solve for x
    x = 89,486,113.00/11,454.30
  6. Step 6: Final answer
    x = 7,812.45

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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.