Home / 16,821.90-23,189.94-11,770.44

Finding the Fourth Proportional to 16,821.90, 23,189.94 and 11,770.44

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Solution

The fourth proportional to 16,821.90, 23,189.94 and 11,770.44 is: 16,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.90 : 23,189.94 = 11,770.44 : x
  2. Step 2: Convert to fraction form
    16,821.90/23,189.94 = 11,770.44/x
  3. Step 3: Cross multiply
    16,821.90x = 23,189.94 × 11,770.44
  4. Step 4: Simplify right side
    16,821.90x = 272,955,797.37
  5. Step 5: Solve for x
    x = 272,955,797.37/16,821.90
  6. Step 6: Final answer
    x = 16,226.22

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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.