Home / 7,968.24-11,933.82-7,691.40

Finding the Fourth Proportional to 7,968.24, 11,933.82 and 7,691.40

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Solution

The fourth proportional to 7,968.24, 11,933.82 and 7,691.40 is: 11,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.24 : 11,933.82 = 7,691.40 : x
  2. Step 2: Convert to fraction form
    7,968.24/11,933.82 = 7,691.40/x
  3. Step 3: Cross multiply
    7,968.24x = 11,933.82 × 7,691.40
  4. Step 4: Simplify right side
    7,968.24x = 91,787,783.15
  5. Step 5: Solve for x
    x = 91,787,783.15/7,968.24
  6. Step 6: Final answer
    x = 11,519.20

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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.