Home / 21,996.93-30,396.03-16,018.20

Finding the Fourth Proportional to 21,996.93, 30,396.03 and 16,018.20

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Solution

The fourth proportional to 21,996.93, 30,396.03 and 16,018.20 is: 22,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.93 : 30,396.03 = 16,018.20 : x
  2. Step 2: Convert to fraction form
    21,996.93/30,396.03 = 16,018.20/x
  3. Step 3: Cross multiply
    21,996.93x = 30,396.03 × 16,018.20
  4. Step 4: Simplify right side
    21,996.93x = 486,889,687.75
  5. Step 5: Solve for x
    x = 486,889,687.75/21,996.93
  6. Step 6: Final answer
    x = 22,134.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.