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Finding the Fourth Proportional to 9,195.56, 12,689.82 and 5,003.72

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Solution

The fourth proportional to 9,195.56, 12,689.82 and 5,003.72 is: 6,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.56 : 12,689.82 = 5,003.72 : x
  2. Step 2: Convert to fraction form
    9,195.56/12,689.82 = 5,003.72/x
  3. Step 3: Cross multiply
    9,195.56x = 12,689.82 × 5,003.72
  4. Step 4: Simplify right side
    9,195.56x = 63,496,306.13
  5. Step 5: Solve for x
    x = 63,496,306.13/9,195.56
  6. Step 6: Final answer
    x = 6,905.10

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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.