Home / 21,983.85-32,972.31-6,190.07

Finding the Fourth Proportional to 21,983.85, 32,972.31 and 6,190.07

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Solution

The fourth proportional to 21,983.85, 32,972.31 and 6,190.07 is: 9,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.85 : 32,972.31 = 6,190.07 : x
  2. Step 2: Convert to fraction form
    21,983.85/32,972.31 = 6,190.07/x
  3. Step 3: Cross multiply
    21,983.85x = 32,972.31 × 6,190.07
  4. Step 4: Simplify right side
    21,983.85x = 204,100,742.10
  5. Step 5: Solve for x
    x = 204,100,742.10/21,983.85
  6. Step 6: Final answer
    x = 9,284.12

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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.