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Finding the Fourth Proportional to 17,960.13, 26,941.82 and 8,604.63

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Solution

The fourth proportional to 17,960.13, 26,941.82 and 8,604.63 is: 12,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.13 : 26,941.82 = 8,604.63 : x
  2. Step 2: Convert to fraction form
    17,960.13/26,941.82 = 8,604.63/x
  3. Step 3: Cross multiply
    17,960.13x = 26,941.82 × 8,604.63
  4. Step 4: Simplify right side
    17,960.13x = 231,824,349.60
  5. Step 5: Solve for x
    x = 231,824,349.60/17,960.13
  6. Step 6: Final answer
    x = 12,907.72

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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.