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Finding the Fourth Proportional to 9,969.06, 14,941.28 and 5,040.11

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Solution

The fourth proportional to 9,969.06, 14,941.28 and 5,040.11 is: 7,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.06 : 14,941.28 = 5,040.11 : x
  2. Step 2: Convert to fraction form
    9,969.06/14,941.28 = 5,040.11/x
  3. Step 3: Cross multiply
    9,969.06x = 14,941.28 × 5,040.11
  4. Step 4: Simplify right side
    9,969.06x = 75,305,594.83
  5. Step 5: Solve for x
    x = 75,305,594.83/9,969.06
  6. Step 6: Final answer
    x = 7,553.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.