Home / 13,958.23-20,940.42-7,727.33

Finding the Fourth Proportional to 13,958.23, 20,940.42 and 7,727.33

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Solution

The fourth proportional to 13,958.23, 20,940.42 and 7,727.33 is: 11,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.23 : 20,940.42 = 7,727.33 : x
  2. Step 2: Convert to fraction form
    13,958.23/20,940.42 = 7,727.33/x
  3. Step 3: Cross multiply
    13,958.23x = 20,940.42 × 7,727.33
  4. Step 4: Simplify right side
    13,958.23x = 161,813,535.68
  5. Step 5: Solve for x
    x = 161,813,535.68/13,958.23
  6. Step 6: Final answer
    x = 11,592.70

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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.