Home / 11,571.38-17,357.87-4,645.88

Finding the Fourth Proportional to 11,571.38, 17,357.87 and 4,645.88

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Solution

The fourth proportional to 11,571.38, 17,357.87 and 4,645.88 is: 6,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.38 : 17,357.87 = 4,645.88 : x
  2. Step 2: Convert to fraction form
    11,571.38/17,357.87 = 4,645.88/x
  3. Step 3: Cross multiply
    11,571.38x = 17,357.87 × 4,645.88
  4. Step 4: Simplify right side
    11,571.38x = 80,642,505.90
  5. Step 5: Solve for x
    x = 80,642,505.90/11,571.38
  6. Step 6: Final answer
    x = 6,969.14

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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.