Home / 14,181.22-21,271.82-6,380.92

Finding the Fourth Proportional to 14,181.22, 21,271.82 and 6,380.92

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Solution

The fourth proportional to 14,181.22, 21,271.82 and 6,380.92 is: 9,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.22 : 21,271.82 = 6,380.92 : x
  2. Step 2: Convert to fraction form
    14,181.22/21,271.82 = 6,380.92/x
  3. Step 3: Cross multiply
    14,181.22x = 21,271.82 × 6,380.92
  4. Step 4: Simplify right side
    14,181.22x = 135,733,781.67
  5. Step 5: Solve for x
    x = 135,733,781.67/14,181.22
  6. Step 6: Final answer
    x = 9,571.38

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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.