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Finding the Fourth Proportional to 13,175.46, 18,182.07 and 7,207.02

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Solution

The fourth proportional to 13,175.46, 18,182.07 and 7,207.02 is: 9,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.46 : 18,182.07 = 7,207.02 : x
  2. Step 2: Convert to fraction form
    13,175.46/18,182.07 = 7,207.02/x
  3. Step 3: Cross multiply
    13,175.46x = 18,182.07 × 7,207.02
  4. Step 4: Simplify right side
    13,175.46x = 131,038,542.13
  5. Step 5: Solve for x
    x = 131,038,542.13/13,175.46
  6. Step 6: Final answer
    x = 9,945.65

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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.