Home / 7,617.44-11,394.56-7,150.88

Finding the Fourth Proportional to 7,617.44, 11,394.56 and 7,150.88

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Solution

The fourth proportional to 7,617.44, 11,394.56 and 7,150.88 is: 10,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.44 : 11,394.56 = 7,150.88 : x
  2. Step 2: Convert to fraction form
    7,617.44/11,394.56 = 7,150.88/x
  3. Step 3: Cross multiply
    7,617.44x = 11,394.56 × 7,150.88
  4. Step 4: Simplify right side
    7,617.44x = 81,481,131.21
  5. Step 5: Solve for x
    x = 81,481,131.21/7,617.44
  6. Step 6: Final answer
    x = 10,696.66

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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.