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Finding the Fourth Proportional to 17,910.67, 24,716 and 9,953.40

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Solution

The fourth proportional to 17,910.67, 24,716 and 9,953.40 is: 13,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.67 : 24,716 = 9,953.40 : x
  2. Step 2: Convert to fraction form
    17,910.67/24,716 = 9,953.40/x
  3. Step 3: Cross multiply
    17,910.67x = 24,716 × 9,953.40
  4. Step 4: Simplify right side
    17,910.67x = 246,008,234.40
  5. Step 5: Solve for x
    x = 246,008,234.40/17,910.67
  6. Step 6: Final answer
    x = 13,735.29

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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.