Home / 21,922.18-32,889.75-6,339.94

Finding the Fourth Proportional to 21,922.18, 32,889.75 and 6,339.94

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Solution

The fourth proportional to 21,922.18, 32,889.75 and 6,339.94 is: 9,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.18 : 32,889.75 = 6,339.94 : x
  2. Step 2: Convert to fraction form
    21,922.18/32,889.75 = 6,339.94/x
  3. Step 3: Cross multiply
    21,922.18x = 32,889.75 × 6,339.94
  4. Step 4: Simplify right side
    21,922.18x = 208,519,041.62
  5. Step 5: Solve for x
    x = 208,519,041.62/21,922.18
  6. Step 6: Final answer
    x = 9,511.78

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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.