Home / 13,945.26-19,245.80-7,975.77

Finding the Fourth Proportional to 13,945.26, 19,245.80 and 7,975.77

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Solution

The fourth proportional to 13,945.26, 19,245.80 and 7,975.77 is: 11,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.26 : 19,245.80 = 7,975.77 : x
  2. Step 2: Convert to fraction form
    13,945.26/19,245.80 = 7,975.77/x
  3. Step 3: Cross multiply
    13,945.26x = 19,245.80 × 7,975.77
  4. Step 4: Simplify right side
    13,945.26x = 153,500,074.27
  5. Step 5: Solve for x
    x = 153,500,074.27/13,945.26
  6. Step 6: Final answer
    x = 11,007.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.