Home / 18,604.14-27,881.52-13,650.60

Finding the Fourth Proportional to 18,604.14, 27,881.52 and 13,650.60

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Solution

The fourth proportional to 18,604.14, 27,881.52 and 13,650.60 is: 20,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.14 : 27,881.52 = 13,650.60 : x
  2. Step 2: Convert to fraction form
    18,604.14/27,881.52 = 13,650.60/x
  3. Step 3: Cross multiply
    18,604.14x = 27,881.52 × 13,650.60
  4. Step 4: Simplify right side
    18,604.14x = 380,599,476.91
  5. Step 5: Solve for x
    x = 380,599,476.91/18,604.14
  6. Step 6: Final answer
    x = 20,457.78

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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.