Home / 11,721.36-17,576.37-4,329.30

Finding the Fourth Proportional to 11,721.36, 17,576.37 and 4,329.30

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Solution

The fourth proportional to 11,721.36, 17,576.37 and 4,329.30 is: 6,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.36 : 17,576.37 = 4,329.30 : x
  2. Step 2: Convert to fraction form
    11,721.36/17,576.37 = 4,329.30/x
  3. Step 3: Cross multiply
    11,721.36x = 17,576.37 × 4,329.30
  4. Step 4: Simplify right side
    11,721.36x = 76,093,378.64
  5. Step 5: Solve for x
    x = 76,093,378.64/11,721.36
  6. Step 6: Final answer
    x = 6,491.86

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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.