Home / 16,216.75-22,379.13-8,764.75

Finding the Fourth Proportional to 16,216.75, 22,379.13 and 8,764.75

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Solution

The fourth proportional to 16,216.75, 22,379.13 and 8,764.75 is: 12,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.75 : 22,379.13 = 8,764.75 : x
  2. Step 2: Convert to fraction form
    16,216.75/22,379.13 = 8,764.75/x
  3. Step 3: Cross multiply
    16,216.75x = 22,379.13 × 8,764.75
  4. Step 4: Simplify right side
    16,216.75x = 196,147,479.67
  5. Step 5: Solve for x
    x = 196,147,479.67/16,216.75
  6. Step 6: Final answer
    x = 12,095.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.