Home / 21,786.09-32,683.38-6,993.87

Finding the Fourth Proportional to 21,786.09, 32,683.38 and 6,993.87

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Solution

The fourth proportional to 21,786.09, 32,683.38 and 6,993.87 is: 10,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.09 : 32,683.38 = 6,993.87 : x
  2. Step 2: Convert to fraction form
    21,786.09/32,683.38 = 6,993.87/x
  3. Step 3: Cross multiply
    21,786.09x = 32,683.38 × 6,993.87
  4. Step 4: Simplify right side
    21,786.09x = 228,583,310.88
  5. Step 5: Solve for x
    x = 228,583,310.88/21,786.09
  6. Step 6: Final answer
    x = 10,492.17

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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.