Home / 13,698.26-20,552.69-5,376.79

Finding the Fourth Proportional to 13,698.26, 20,552.69 and 5,376.79

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Solution

The fourth proportional to 13,698.26, 20,552.69 and 5,376.79 is: 8,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.26 : 20,552.69 = 5,376.79 : x
  2. Step 2: Convert to fraction form
    13,698.26/20,552.69 = 5,376.79/x
  3. Step 3: Cross multiply
    13,698.26x = 20,552.69 × 5,376.79
  4. Step 4: Simplify right side
    13,698.26x = 110,507,498.07
  5. Step 5: Solve for x
    x = 110,507,498.07/13,698.26
  6. Step 6: Final answer
    x = 8,067.27

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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.