Home / 18,042.70-27,027.60-12,502.30

Finding the Fourth Proportional to 18,042.70, 27,027.60 and 12,502.30

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Solution

The fourth proportional to 18,042.70, 27,027.60 and 12,502.30 is: 18,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.70 : 27,027.60 = 12,502.30 : x
  2. Step 2: Convert to fraction form
    18,042.70/27,027.60 = 12,502.30/x
  3. Step 3: Cross multiply
    18,042.70x = 27,027.60 × 12,502.30
  4. Step 4: Simplify right side
    18,042.70x = 337,907,163.48
  5. Step 5: Solve for x
    x = 337,907,163.48/18,042.70
  6. Step 6: Final answer
    x = 18,728.19

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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.