Home / 11,704.37-16,152.03-6,399.19

Finding the Fourth Proportional to 11,704.37, 16,152.03 and 6,399.19

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Solution

The fourth proportional to 11,704.37, 16,152.03 and 6,399.19 is: 8,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.37 : 16,152.03 = 6,399.19 : x
  2. Step 2: Convert to fraction form
    11,704.37/16,152.03 = 6,399.19/x
  3. Step 3: Cross multiply
    11,704.37x = 16,152.03 × 6,399.19
  4. Step 4: Simplify right side
    11,704.37x = 103,359,796.10
  5. Step 5: Solve for x
    x = 103,359,796.10/11,704.37
  6. Step 6: Final answer
    x = 8,830.88

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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.