Home / 18,502.49-27,734.60-8,633.66

Finding the Fourth Proportional to 18,502.49, 27,734.60 and 8,633.66

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Solution

The fourth proportional to 18,502.49, 27,734.60 and 8,633.66 is: 12,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.49 : 27,734.60 = 8,633.66 : x
  2. Step 2: Convert to fraction form
    18,502.49/27,734.60 = 8,633.66/x
  3. Step 3: Cross multiply
    18,502.49x = 27,734.60 × 8,633.66
  4. Step 4: Simplify right side
    18,502.49x = 239,450,989.55
  5. Step 5: Solve for x
    x = 239,450,989.55/18,502.49
  6. Step 6: Final answer
    x = 12,941.55

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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.