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Finding the Fourth Proportional to 9,403.70, 12,969.05 and 6,217.16

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Solution

The fourth proportional to 9,403.70, 12,969.05 and 6,217.16 is: 8,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.70 : 12,969.05 = 6,217.16 : x
  2. Step 2: Convert to fraction form
    9,403.70/12,969.05 = 6,217.16/x
  3. Step 3: Cross multiply
    9,403.70x = 12,969.05 × 6,217.16
  4. Step 4: Simplify right side
    9,403.70x = 80,630,562.97
  5. Step 5: Solve for x
    x = 80,630,562.97/9,403.70
  6. Step 6: Final answer
    x = 8,574.35

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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.