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Finding the Fourth Proportional to 10,950.25, 15,111.71 and 5,982.25

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Solution

The fourth proportional to 10,950.25, 15,111.71 and 5,982.25 is: 8,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.25 : 15,111.71 = 5,982.25 : x
  2. Step 2: Convert to fraction form
    10,950.25/15,111.71 = 5,982.25/x
  3. Step 3: Cross multiply
    10,950.25x = 15,111.71 × 5,982.25
  4. Step 4: Simplify right side
    10,950.25x = 90,402,027.15
  5. Step 5: Solve for x
    x = 90,402,027.15/10,950.25
  6. Step 6: Final answer
    x = 8,255.70

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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.