Home / 11,739.22-16,200.53-6,434.03

Finding the Fourth Proportional to 11,739.22, 16,200.53 and 6,434.03

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Solution

The fourth proportional to 11,739.22, 16,200.53 and 6,434.03 is: 8,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.22 : 16,200.53 = 6,434.03 : x
  2. Step 2: Convert to fraction form
    11,739.22/16,200.53 = 6,434.03/x
  3. Step 3: Cross multiply
    11,739.22x = 16,200.53 × 6,434.03
  4. Step 4: Simplify right side
    11,739.22x = 104,234,704.37
  5. Step 5: Solve for x
    x = 104,234,704.37/11,739.22
  6. Step 6: Final answer
    x = 8,879.19

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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.