Home / 13,428.04-20,141.42-4,067.64

Finding the Fourth Proportional to 13,428.04, 20,141.42 and 4,067.64

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Solution

The fourth proportional to 13,428.04, 20,141.42 and 4,067.64 is: 6,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.04 : 20,141.42 = 4,067.64 : x
  2. Step 2: Convert to fraction form
    13,428.04/20,141.42 = 4,067.64/x
  3. Step 3: Cross multiply
    13,428.04x = 20,141.42 × 4,067.64
  4. Step 4: Simplify right side
    13,428.04x = 81,928,045.65
  5. Step 5: Solve for x
    x = 81,928,045.65/13,428.04
  6. Step 6: Final answer
    x = 6,101.27

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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.