Home / 20,623.08-30,939.42-6,771.24

Finding the Fourth Proportional to 20,623.08, 30,939.42 and 6,771.24

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Solution

The fourth proportional to 20,623.08, 30,939.42 and 6,771.24 is: 10,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.08 : 30,939.42 = 6,771.24 : x
  2. Step 2: Convert to fraction form
    20,623.08/30,939.42 = 6,771.24/x
  3. Step 3: Cross multiply
    20,623.08x = 30,939.42 × 6,771.24
  4. Step 4: Simplify right side
    20,623.08x = 209,498,238.28
  5. Step 5: Solve for x
    x = 209,498,238.28/20,623.08
  6. Step 6: Final answer
    x = 10,158.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.