Home / 13,203.20-19,803.83-4,879.34

Finding the Fourth Proportional to 13,203.20, 19,803.83 and 4,879.34

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Solution

The fourth proportional to 13,203.20, 19,803.83 and 4,879.34 is: 7,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.20 : 19,803.83 = 4,879.34 : x
  2. Step 2: Convert to fraction form
    13,203.20/19,803.83 = 4,879.34/x
  3. Step 3: Cross multiply
    13,203.20x = 19,803.83 × 4,879.34
  4. Step 4: Simplify right side
    13,203.20x = 96,629,533.05
  5. Step 5: Solve for x
    x = 96,629,533.05/13,203.20
  6. Step 6: Final answer
    x = 7,318.64

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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.