Home / 18,129.10-27,194.94-7,588.51

Finding the Fourth Proportional to 18,129.10, 27,194.94 and 7,588.51

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Solution

The fourth proportional to 18,129.10, 27,194.94 and 7,588.51 is: 11,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.10 : 27,194.94 = 7,588.51 : x
  2. Step 2: Convert to fraction form
    18,129.10/27,194.94 = 7,588.51/x
  3. Step 3: Cross multiply
    18,129.10x = 27,194.94 × 7,588.51
  4. Step 4: Simplify right side
    18,129.10x = 206,369,074.14
  5. Step 5: Solve for x
    x = 206,369,074.14/18,129.10
  6. Step 6: Final answer
    x = 11,383.30

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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.