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Finding the Fourth Proportional to 12,695.26, 18,952.04 and 11,034.97

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Solution

The fourth proportional to 12,695.26, 18,952.04 and 11,034.97 is: 16,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.26 : 18,952.04 = 11,034.97 : x
  2. Step 2: Convert to fraction form
    12,695.26/18,952.04 = 11,034.97/x
  3. Step 3: Cross multiply
    12,695.26x = 18,952.04 × 11,034.97
  4. Step 4: Simplify right side
    12,695.26x = 209,135,192.84
  5. Step 5: Solve for x
    x = 209,135,192.84/12,695.26
  6. Step 6: Final answer
    x = 16,473.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.