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Finding the Fourth Proportional to 9,903.09, 13,664.52 and 5,652.21

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Solution

The fourth proportional to 9,903.09, 13,664.52 and 5,652.21 is: 7,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.09 : 13,664.52 = 5,652.21 : x
  2. Step 2: Convert to fraction form
    9,903.09/13,664.52 = 5,652.21/x
  3. Step 3: Cross multiply
    9,903.09x = 13,664.52 × 5,652.21
  4. Step 4: Simplify right side
    9,903.09x = 77,234,706.54
  5. Step 5: Solve for x
    x = 77,234,706.54/9,903.09
  6. Step 6: Final answer
    x = 7,799.05

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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.