Home / 11,968.81-17,933.42-7,274.56

Finding the Fourth Proportional to 11,968.81, 17,933.42 and 7,274.56

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Solution

The fourth proportional to 11,968.81, 17,933.42 and 7,274.56 is: 10,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.81 : 17,933.42 = 7,274.56 : x
  2. Step 2: Convert to fraction form
    11,968.81/17,933.42 = 7,274.56/x
  3. Step 3: Cross multiply
    11,968.81x = 17,933.42 × 7,274.56
  4. Step 4: Simplify right side
    11,968.81x = 130,457,739.80
  5. Step 5: Solve for x
    x = 130,457,739.80/11,968.81
  6. Step 6: Final answer
    x = 10,899.81

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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.