Home / 20,626.36-30,939.22-6,586.30

Finding the Fourth Proportional to 20,626.36, 30,939.22 and 6,586.30

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Solution

The fourth proportional to 20,626.36, 30,939.22 and 6,586.30 is: 9,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.36 : 30,939.22 = 6,586.30 : x
  2. Step 2: Convert to fraction form
    20,626.36/30,939.22 = 6,586.30/x
  3. Step 3: Cross multiply
    20,626.36x = 30,939.22 × 6,586.30
  4. Step 4: Simplify right side
    20,626.36x = 203,775,137.13
  5. Step 5: Solve for x
    x = 203,775,137.13/20,626.36
  6. Step 6: Final answer
    x = 9,879.35

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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.