Home / 20,383.56-30,580.92-8,698.44

Finding the Fourth Proportional to 20,383.56, 30,580.92 and 8,698.44

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Solution

The fourth proportional to 20,383.56, 30,580.92 and 8,698.44 is: 13,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.56 : 30,580.92 = 8,698.44 : x
  2. Step 2: Convert to fraction form
    20,383.56/30,580.92 = 8,698.44/x
  3. Step 3: Cross multiply
    20,383.56x = 30,580.92 × 8,698.44
  4. Step 4: Simplify right side
    20,383.56x = 266,006,297.76
  5. Step 5: Solve for x
    x = 266,006,297.76/20,383.56
  6. Step 6: Final answer
    x = 13,050.04

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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.