Home / 11,952.02-17,928.33-6,720.43

Finding the Fourth Proportional to 11,952.02, 17,928.33 and 6,720.43

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Solution

The fourth proportional to 11,952.02, 17,928.33 and 6,720.43 is: 10,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.02 : 17,928.33 = 6,720.43 : x
  2. Step 2: Convert to fraction form
    11,952.02/17,928.33 = 6,720.43/x
  3. Step 3: Cross multiply
    11,952.02x = 17,928.33 × 6,720.43
  4. Step 4: Simplify right side
    11,952.02x = 120,486,086.78
  5. Step 5: Solve for x
    x = 120,486,086.78/11,952.02
  6. Step 6: Final answer
    x = 10,080.81

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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.