Home / 16,782.20-23,162.78-12,796.19

Finding the Fourth Proportional to 16,782.20, 23,162.78 and 12,796.19

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Solution

The fourth proportional to 16,782.20, 23,162.78 and 12,796.19 is: 17,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.20 : 23,162.78 = 12,796.19 : x
  2. Step 2: Convert to fraction form
    16,782.20/23,162.78 = 12,796.19/x
  3. Step 3: Cross multiply
    16,782.20x = 23,162.78 × 12,796.19
  4. Step 4: Simplify right side
    16,782.20x = 296,395,249.98
  5. Step 5: Solve for x
    x = 296,395,249.98/16,782.20
  6. Step 6: Final answer
    x = 17,661.29

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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.