Home / 21,554.30-32,331.41-6,764.37

Finding the Fourth Proportional to 21,554.30, 32,331.41 and 6,764.37

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Solution

The fourth proportional to 21,554.30, 32,331.41 and 6,764.37 is: 10,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.30 : 32,331.41 = 6,764.37 : x
  2. Step 2: Convert to fraction form
    21,554.30/32,331.41 = 6,764.37/x
  3. Step 3: Cross multiply
    21,554.30x = 32,331.41 × 6,764.37
  4. Step 4: Simplify right side
    21,554.30x = 218,701,619.86
  5. Step 5: Solve for x
    x = 218,701,619.86/21,554.30
  6. Step 6: Final answer
    x = 10,146.54

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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.