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Finding the Fourth Proportional to 17,965.66, 26,960.82 and 6,278.89

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Solution

The fourth proportional to 17,965.66, 26,960.82 and 6,278.89 is: 9,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.66 : 26,960.82 = 6,278.89 : x
  2. Step 2: Convert to fraction form
    17,965.66/26,960.82 = 6,278.89/x
  3. Step 3: Cross multiply
    17,965.66x = 26,960.82 × 6,278.89
  4. Step 4: Simplify right side
    17,965.66x = 169,284,023.09
  5. Step 5: Solve for x
    x = 169,284,023.09/17,965.66
  6. Step 6: Final answer
    x = 9,422.64

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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.