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Finding the Fourth Proportional to 18,606.15, 27,926.24 and 8,751.29

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Solution

The fourth proportional to 18,606.15, 27,926.24 and 8,751.29 is: 13,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.15 : 27,926.24 = 8,751.29 : x
  2. Step 2: Convert to fraction form
    18,606.15/27,926.24 = 8,751.29/x
  3. Step 3: Cross multiply
    18,606.15x = 27,926.24 × 8,751.29
  4. Step 4: Simplify right side
    18,606.15x = 244,390,441.46
  5. Step 5: Solve for x
    x = 244,390,441.46/18,606.15
  6. Step 6: Final answer
    x = 13,134.93

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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.