Home / 13,470.00-20,205.15-5,150.44

Finding the Fourth Proportional to 13,470.00, 20,205.15 and 5,150.44

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Solution

The fourth proportional to 13,470.00, 20,205.15 and 5,150.44 is: 7,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.00 : 20,205.15 = 5,150.44 : x
  2. Step 2: Convert to fraction form
    13,470.00/20,205.15 = 5,150.44/x
  3. Step 3: Cross multiply
    13,470.00x = 20,205.15 × 5,150.44
  4. Step 4: Simplify right side
    13,470.00x = 104,065,305.05
  5. Step 5: Solve for x
    x = 104,065,305.05/13,470.00
  6. Step 6: Final answer
    x = 7,725.71

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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.