Home / 13,268.70-19,900.62-5,370.80

Finding the Fourth Proportional to 13,268.70, 19,900.62 and 5,370.80

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Solution

The fourth proportional to 13,268.70, 19,900.62 and 5,370.80 is: 8,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.70 : 19,900.62 = 5,370.80 : x
  2. Step 2: Convert to fraction form
    13,268.70/19,900.62 = 5,370.80/x
  3. Step 3: Cross multiply
    13,268.70x = 19,900.62 × 5,370.80
  4. Step 4: Simplify right side
    13,268.70x = 106,882,150.39
  5. Step 5: Solve for x
    x = 106,882,150.39/13,268.70
  6. Step 6: Final answer
    x = 8,055.21

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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.