Home / 18,330.91-27,458.09-11,723.54

Finding the Fourth Proportional to 18,330.91, 27,458.09 and 11,723.54

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Solution

The fourth proportional to 18,330.91, 27,458.09 and 11,723.54 is: 17,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.91 : 27,458.09 = 11,723.54 : x
  2. Step 2: Convert to fraction form
    18,330.91/27,458.09 = 11,723.54/x
  3. Step 3: Cross multiply
    18,330.91x = 27,458.09 × 11,723.54
  4. Step 4: Simplify right side
    18,330.91x = 321,905,864.49
  5. Step 5: Solve for x
    x = 321,905,864.49/18,330.91
  6. Step 6: Final answer
    x = 17,560.83

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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.