Home / 8,450.16-11,634.72-7,672.56

Finding the Fourth Proportional to 8,450.16, 11,634.72 and 7,672.56

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Solution

The fourth proportional to 8,450.16, 11,634.72 and 7,672.56 is: 10,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.16 : 11,634.72 = 7,672.56 : x
  2. Step 2: Convert to fraction form
    8,450.16/11,634.72 = 7,672.56/x
  3. Step 3: Cross multiply
    8,450.16x = 11,634.72 × 7,672.56
  4. Step 4: Simplify right side
    8,450.16x = 89,268,087.28
  5. Step 5: Solve for x
    x = 89,268,087.28/8,450.16
  6. Step 6: Final answer
    x = 10,564.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.