Home / 13,328.94-18,382.04-8,608.26

Finding the Fourth Proportional to 13,328.94, 18,382.04 and 8,608.26

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Solution

The fourth proportional to 13,328.94, 18,382.04 and 8,608.26 is: 11,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.94 : 18,382.04 = 8,608.26 : x
  2. Step 2: Convert to fraction form
    13,328.94/18,382.04 = 8,608.26/x
  3. Step 3: Cross multiply
    13,328.94x = 18,382.04 × 8,608.26
  4. Step 4: Simplify right side
    13,328.94x = 158,237,379.65
  5. Step 5: Solve for x
    x = 158,237,379.65/13,328.94
  6. Step 6: Final answer
    x = 11,871.72

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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.