Home / 21,467.21-32,201.09-6,675.80

Finding the Fourth Proportional to 21,467.21, 32,201.09 and 6,675.80

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Solution

The fourth proportional to 21,467.21, 32,201.09 and 6,675.80 is: 10,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.21 : 32,201.09 = 6,675.80 : x
  2. Step 2: Convert to fraction form
    21,467.21/32,201.09 = 6,675.80/x
  3. Step 3: Cross multiply
    21,467.21x = 32,201.09 × 6,675.80
  4. Step 4: Simplify right side
    21,467.21x = 214,968,036.62
  5. Step 5: Solve for x
    x = 214,968,036.62/21,467.21
  6. Step 6: Final answer
    x = 10,013.79

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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.