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Finding the Fourth Proportional to 9,422.56, 13,003.08 and 5,173.70

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Solution

The fourth proportional to 9,422.56, 13,003.08 and 5,173.70 is: 7,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.56 : 13,003.08 = 5,173.70 : x
  2. Step 2: Convert to fraction form
    9,422.56/13,003.08 = 5,173.70/x
  3. Step 3: Cross multiply
    9,422.56x = 13,003.08 × 5,173.70
  4. Step 4: Simplify right side
    9,422.56x = 67,274,035.00
  5. Step 5: Solve for x
    x = 67,274,035.00/9,422.56
  6. Step 6: Final answer
    x = 7,139.68

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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.