Home / 13,727.26-18,944.58-7,759.48

Finding the Fourth Proportional to 13,727.26, 18,944.58 and 7,759.48

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Solution

The fourth proportional to 13,727.26, 18,944.58 and 7,759.48 is: 10,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.26 : 18,944.58 = 7,759.48 : x
  2. Step 2: Convert to fraction form
    13,727.26/18,944.58 = 7,759.48/x
  3. Step 3: Cross multiply
    13,727.26x = 18,944.58 × 7,759.48
  4. Step 4: Simplify right side
    13,727.26x = 147,000,089.62
  5. Step 5: Solve for x
    x = 147,000,089.62/13,727.26
  6. Step 6: Final answer
    x = 10,708.63

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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.