Home / 11,018.30-16,506.62-8,540.99

Finding the Fourth Proportional to 11,018.30, 16,506.62 and 8,540.99

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Solution

The fourth proportional to 11,018.30, 16,506.62 and 8,540.99 is: 12,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.30 : 16,506.62 = 8,540.99 : x
  2. Step 2: Convert to fraction form
    11,018.30/16,506.62 = 8,540.99/x
  3. Step 3: Cross multiply
    11,018.30x = 16,506.62 × 8,540.99
  4. Step 4: Simplify right side
    11,018.30x = 140,982,833.65
  5. Step 5: Solve for x
    x = 140,982,833.65/11,018.30
  6. Step 6: Final answer
    x = 12,795.33

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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.