Home / 20,362.56-30,550.20-6,131.60

Finding the Fourth Proportional to 20,362.56, 30,550.20 and 6,131.60

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Solution

The fourth proportional to 20,362.56, 30,550.20 and 6,131.60 is: 9,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.56 : 30,550.20 = 6,131.60 : x
  2. Step 2: Convert to fraction form
    20,362.56/30,550.20 = 6,131.60/x
  3. Step 3: Cross multiply
    20,362.56x = 30,550.20 × 6,131.60
  4. Step 4: Simplify right side
    20,362.56x = 187,321,606.32
  5. Step 5: Solve for x
    x = 187,321,606.32/20,362.56
  6. Step 6: Final answer
    x = 9,199.32

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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.