Home / 20,327.24-30,491.88-6,477.32

Finding the Fourth Proportional to 20,327.24, 30,491.88 and 6,477.32

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Solution

The fourth proportional to 20,327.24, 30,491.88 and 6,477.32 is: 9,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.24 : 30,491.88 = 6,477.32 : x
  2. Step 2: Convert to fraction form
    20,327.24/30,491.88 = 6,477.32/x
  3. Step 3: Cross multiply
    20,327.24x = 30,491.88 × 6,477.32
  4. Step 4: Simplify right side
    20,327.24x = 197,505,664.16
  5. Step 5: Solve for x
    x = 197,505,664.16/20,327.24
  6. Step 6: Final answer
    x = 9,716.31

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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.