Home / 18,521.69-27,778.88-6,832.17

Finding the Fourth Proportional to 18,521.69, 27,778.88 and 6,832.17

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Solution

The fourth proportional to 18,521.69, 27,778.88 and 6,832.17 is: 10,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.69 : 27,778.88 = 6,832.17 : x
  2. Step 2: Convert to fraction form
    18,521.69/27,778.88 = 6,832.17/x
  3. Step 3: Cross multiply
    18,521.69x = 27,778.88 × 6,832.17
  4. Step 4: Simplify right side
    18,521.69x = 189,790,047.65
  5. Step 5: Solve for x
    x = 189,790,047.65/18,521.69
  6. Step 6: Final answer
    x = 10,246.91

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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.