Home / 18,174.74-27,218.36-12,313.58

Finding the Fourth Proportional to 18,174.74, 27,218.36 and 12,313.58

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Solution

The fourth proportional to 18,174.74, 27,218.36 and 12,313.58 is: 18,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.74 : 27,218.36 = 12,313.58 : x
  2. Step 2: Convert to fraction form
    18,174.74/27,218.36 = 12,313.58/x
  3. Step 3: Cross multiply
    18,174.74x = 27,218.36 × 12,313.58
  4. Step 4: Simplify right side
    18,174.74x = 335,155,453.33
  5. Step 5: Solve for x
    x = 335,155,453.33/18,174.74
  6. Step 6: Final answer
    x = 18,440.73

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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.