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Finding the Fourth Proportional to 17,032.21, 23,504.99 and 9,375.78

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Solution

The fourth proportional to 17,032.21, 23,504.99 and 9,375.78 is: 12,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,032.21 : 23,504.99 = 9,375.78 : x
  2. Step 2: Convert to fraction form
    17,032.21/23,504.99 = 9,375.78/x
  3. Step 3: Cross multiply
    17,032.21x = 23,504.99 × 9,375.78
  4. Step 4: Simplify right side
    17,032.21x = 220,377,656.41
  5. Step 5: Solve for x
    x = 220,377,656.41/17,032.21
  6. Step 6: Final answer
    x = 12,938.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.