Home / 21,781.64-32,671.82-6,199.27

Finding the Fourth Proportional to 21,781.64, 32,671.82 and 6,199.27

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Solution

The fourth proportional to 21,781.64, 32,671.82 and 6,199.27 is: 9,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781.64 : 32,671.82 = 6,199.27 : x
  2. Step 2: Convert to fraction form
    21,781.64/32,671.82 = 6,199.27/x
  3. Step 3: Cross multiply
    21,781.64x = 32,671.82 × 6,199.27
  4. Step 4: Simplify right side
    21,781.64x = 202,541,367.39
  5. Step 5: Solve for x
    x = 202,541,367.39/21,781.64
  6. Step 6: Final answer
    x = 9,298.72

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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.