Home / 21,714.21-32,573.75-6,919.70

Finding the Fourth Proportional to 21,714.21, 32,573.75 and 6,919.70

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Solution

The fourth proportional to 21,714.21, 32,573.75 and 6,919.70 is: 10,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.21 : 32,573.75 = 6,919.70 : x
  2. Step 2: Convert to fraction form
    21,714.21/32,573.75 = 6,919.70/x
  3. Step 3: Cross multiply
    21,714.21x = 32,573.75 × 6,919.70
  4. Step 4: Simplify right side
    21,714.21x = 225,400,380.41
  5. Step 5: Solve for x
    x = 225,400,380.41/21,714.21
  6. Step 6: Final answer
    x = 10,380.32

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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.