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Finding the Fourth Proportional to 11,629.15, 17,443.73 and 9,568.82

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Solution

The fourth proportional to 11,629.15, 17,443.73 and 9,568.82 is: 14,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.15 : 17,443.73 = 9,568.82 : x
  2. Step 2: Convert to fraction form
    11,629.15/17,443.73 = 9,568.82/x
  3. Step 3: Cross multiply
    11,629.15x = 17,443.73 × 9,568.82
  4. Step 4: Simplify right side
    11,629.15x = 166,915,980.03
  5. Step 5: Solve for x
    x = 166,915,980.03/11,629.15
  6. Step 6: Final answer
    x = 14,353.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.