Home / 18,440.46-27,632.68-13,513.37

Finding the Fourth Proportional to 18,440.46, 27,632.68 and 13,513.37

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Solution

The fourth proportional to 18,440.46, 27,632.68 and 13,513.37 is: 20,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.46 : 27,632.68 = 13,513.37 : x
  2. Step 2: Convert to fraction form
    18,440.46/27,632.68 = 13,513.37/x
  3. Step 3: Cross multiply
    18,440.46x = 27,632.68 × 13,513.37
  4. Step 4: Simplify right side
    18,440.46x = 373,410,456.98
  5. Step 5: Solve for x
    x = 373,410,456.98/18,440.46
  6. Step 6: Final answer
    x = 20,249.52

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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.