Home / 18,306.91-27,448.21-6,618.61

Finding the Fourth Proportional to 18,306.91, 27,448.21 and 6,618.61

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Solution

The fourth proportional to 18,306.91, 27,448.21 and 6,618.61 is: 9,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.91 : 27,448.21 = 6,618.61 : x
  2. Step 2: Convert to fraction form
    18,306.91/27,448.21 = 6,618.61/x
  3. Step 3: Cross multiply
    18,306.91x = 27,448.21 × 6,618.61
  4. Step 4: Simplify right side
    18,306.91x = 181,668,826.85
  5. Step 5: Solve for x
    x = 181,668,826.85/18,306.91
  6. Step 6: Final answer
    x = 9,923.51

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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.