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Finding the Fourth Proportional to 17,035.88, 23,509.97 and 9,379.38

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Solution

The fourth proportional to 17,035.88, 23,509.97 and 9,379.38 is: 12,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,035.88 : 23,509.97 = 9,379.38 : x
  2. Step 2: Convert to fraction form
    17,035.88/23,509.97 = 9,379.38/x
  3. Step 3: Cross multiply
    17,035.88x = 23,509.97 × 9,379.38
  4. Step 4: Simplify right side
    17,035.88x = 220,508,952.82
  5. Step 5: Solve for x
    x = 220,508,952.82/17,035.88
  6. Step 6: Final answer
    x = 12,943.80

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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.