Home / 21,806.20-32,714.70-6,223.78

Finding the Fourth Proportional to 21,806.20, 32,714.70 and 6,223.78

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Solution

The fourth proportional to 21,806.20, 32,714.70 and 6,223.78 is: 9,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806.20 : 32,714.70 = 6,223.78 : x
  2. Step 2: Convert to fraction form
    21,806.20/32,714.70 = 6,223.78/x
  3. Step 3: Cross multiply
    21,806.20x = 32,714.70 × 6,223.78
  4. Step 4: Simplify right side
    21,806.20x = 203,609,095.57
  5. Step 5: Solve for x
    x = 203,609,095.57/21,806.20
  6. Step 6: Final answer
    x = 9,337.21

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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.