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Finding the Fourth Proportional to 18,326.18, 27,489.26 and 8,462.54

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Solution

The fourth proportional to 18,326.18, 27,489.26 and 8,462.54 is: 12,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.18 : 27,489.26 = 8,462.54 : x
  2. Step 2: Convert to fraction form
    18,326.18/27,489.26 = 8,462.54/x
  3. Step 3: Cross multiply
    18,326.18x = 27,489.26 × 8,462.54
  4. Step 4: Simplify right side
    18,326.18x = 232,628,846.03
  5. Step 5: Solve for x
    x = 232,628,846.03/18,326.18
  6. Step 6: Final answer
    x = 12,693.80

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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.