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Finding the Fourth Proportional to 11,958.82, 17,937.83 and 6,422.98

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Solution

The fourth proportional to 11,958.82, 17,937.83 and 6,422.98 is: 9,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.82 : 17,937.83 = 6,422.98 : x
  2. Step 2: Convert to fraction form
    11,958.82/17,937.83 = 6,422.98/x
  3. Step 3: Cross multiply
    11,958.82x = 17,937.83 × 6,422.98
  4. Step 4: Simplify right side
    11,958.82x = 115,214,328.18
  5. Step 5: Solve for x
    x = 115,214,328.18/11,958.82
  6. Step 6: Final answer
    x = 9,634.25

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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.