Home / 14,181.82-21,249.27-8,618.27

Finding the Fourth Proportional to 14,181.82, 21,249.27 and 8,618.27

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Solution

The fourth proportional to 14,181.82, 21,249.27 and 8,618.27 is: 12,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.82 : 21,249.27 = 8,618.27 : x
  2. Step 2: Convert to fraction form
    14,181.82/21,249.27 = 8,618.27/x
  3. Step 3: Cross multiply
    14,181.82x = 21,249.27 × 8,618.27
  4. Step 4: Simplify right side
    14,181.82x = 183,131,839.92
  5. Step 5: Solve for x
    x = 183,131,839.92/14,181.82
  6. Step 6: Final answer
    x = 12,913.14

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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.