Home / 11,551.87-17,328.30-4,531.26

Finding the Fourth Proportional to 11,551.87, 17,328.30 and 4,531.26

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Solution

The fourth proportional to 11,551.87, 17,328.30 and 4,531.26 is: 6,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.87 : 17,328.30 = 4,531.26 : x
  2. Step 2: Convert to fraction form
    11,551.87/17,328.30 = 4,531.26/x
  3. Step 3: Cross multiply
    11,551.87x = 17,328.30 × 4,531.26
  4. Step 4: Simplify right side
    11,551.87x = 78,519,080.65
  5. Step 5: Solve for x
    x = 78,519,080.65/11,551.87
  6. Step 6: Final answer
    x = 6,797.09

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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.