Home / 16,243.22-22,415.46-9,169.94

Finding the Fourth Proportional to 16,243.22, 22,415.46 and 9,169.94

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Solution

The fourth proportional to 16,243.22, 22,415.46 and 9,169.94 is: 12,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.22 : 22,415.46 = 9,169.94 : x
  2. Step 2: Convert to fraction form
    16,243.22/22,415.46 = 9,169.94/x
  3. Step 3: Cross multiply
    16,243.22x = 22,415.46 × 9,169.94
  4. Step 4: Simplify right side
    16,243.22x = 205,548,311.20
  5. Step 5: Solve for x
    x = 205,548,311.20/16,243.22
  6. Step 6: Final answer
    x = 12,654.41

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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.