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Finding the Fourth Proportional to 10,735.98, 14,821.56 and 7,217.88

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Solution

The fourth proportional to 10,735.98, 14,821.56 and 7,217.88 is: 9,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,735.98 : 14,821.56 = 7,217.88 : x
  2. Step 2: Convert to fraction form
    10,735.98/14,821.56 = 7,217.88/x
  3. Step 3: Cross multiply
    10,735.98x = 14,821.56 × 7,217.88
  4. Step 4: Simplify right side
    10,735.98x = 106,980,241.49
  5. Step 5: Solve for x
    x = 106,980,241.49/10,735.98
  6. Step 6: Final answer
    x = 9,964.65

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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.