Home / 21,774.09-32,662.62-8,626.44

Finding the Fourth Proportional to 21,774.09, 32,662.62 and 8,626.44

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Solution

The fourth proportional to 21,774.09, 32,662.62 and 8,626.44 is: 12,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.09 : 32,662.62 = 8,626.44 : x
  2. Step 2: Convert to fraction form
    21,774.09/32,662.62 = 8,626.44/x
  3. Step 3: Cross multiply
    21,774.09x = 32,662.62 × 8,626.44
  4. Step 4: Simplify right side
    21,774.09x = 281,762,131.67
  5. Step 5: Solve for x
    x = 281,762,131.67/21,774.09
  6. Step 6: Final answer
    x = 12,940.25

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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.