Home / 20,626.77-30,939.83-6,586.71

Finding the Fourth Proportional to 20,626.77, 30,939.83 and 6,586.71

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Solution

The fourth proportional to 20,626.77, 30,939.83 and 6,586.71 is: 9,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.77 : 30,939.83 = 6,586.71 : x
  2. Step 2: Convert to fraction form
    20,626.77/30,939.83 = 6,586.71/x
  3. Step 3: Cross multiply
    20,626.77x = 30,939.83 × 6,586.71
  4. Step 4: Simplify right side
    20,626.77x = 203,791,687.66
  5. Step 5: Solve for x
    x = 203,791,687.66/20,626.77
  6. Step 6: Final answer
    x = 9,879.96

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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.