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Finding the Fourth Proportional to 11,171.43, 15,415.43 and 6,695.07

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Solution

The fourth proportional to 11,171.43, 15,415.43 and 6,695.07 is: 9,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.43 : 15,415.43 = 6,695.07 : x
  2. Step 2: Convert to fraction form
    11,171.43/15,415.43 = 6,695.07/x
  3. Step 3: Cross multiply
    11,171.43x = 15,415.43 × 6,695.07
  4. Step 4: Simplify right side
    11,171.43x = 103,207,349.45
  5. Step 5: Solve for x
    x = 103,207,349.45/11,171.43
  6. Step 6: Final answer
    x = 9,238.51

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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.