Home / 8,118.24-12,176.90-2,195.04

Finding the Fourth Proportional to 8,118.24, 12,176.90 and 2,195.04

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Solution

The fourth proportional to 8,118.24, 12,176.90 and 2,195.04 is: 3,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.24 : 12,176.90 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    8,118.24/12,176.90 = 2,195.04/x
  3. Step 3: Cross multiply
    8,118.24x = 12,176.90 × 2,195.04
  4. Step 4: Simplify right side
    8,118.24x = 26,728,818.51
  5. Step 5: Solve for x
    x = 26,728,818.51/8,118.24
  6. Step 6: Final answer
    x = 3,292.44

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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.