Home / 18,220.19-27,322.38-7,694.91

Finding the Fourth Proportional to 18,220.19, 27,322.38 and 7,694.91

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Solution

The fourth proportional to 18,220.19, 27,322.38 and 7,694.91 is: 11,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.19 : 27,322.38 = 7,694.91 : x
  2. Step 2: Convert to fraction form
    18,220.19/27,322.38 = 7,694.91/x
  3. Step 3: Cross multiply
    18,220.19x = 27,322.38 × 7,694.91
  4. Step 4: Simplify right side
    18,220.19x = 210,243,255.09
  5. Step 5: Solve for x
    x = 210,243,255.09/18,220.19
  6. Step 6: Final answer
    x = 11,539.03

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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.