Home / 18,208.22-27,313.95-7,817.54

Finding the Fourth Proportional to 18,208.22, 27,313.95 and 7,817.54

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Solution

The fourth proportional to 18,208.22, 27,313.95 and 7,817.54 is: 11,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.22 : 27,313.95 = 7,817.54 : x
  2. Step 2: Convert to fraction form
    18,208.22/27,313.95 = 7,817.54/x
  3. Step 3: Cross multiply
    18,208.22x = 27,313.95 × 7,817.54
  4. Step 4: Simplify right side
    18,208.22x = 213,527,896.68
  5. Step 5: Solve for x
    x = 213,527,896.68/18,208.22
  6. Step 6: Final answer
    x = 11,727.01

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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.