Home / 11,152.94-16,728.54-4,129.65

Finding the Fourth Proportional to 11,152.94, 16,728.54 and 4,129.65

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Solution

The fourth proportional to 11,152.94, 16,728.54 and 4,129.65 is: 6,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.94 : 16,728.54 = 4,129.65 : x
  2. Step 2: Convert to fraction form
    11,152.94/16,728.54 = 4,129.65/x
  3. Step 3: Cross multiply
    11,152.94x = 16,728.54 × 4,129.65
  4. Step 4: Simplify right side
    11,152.94x = 69,083,015.21
  5. Step 5: Solve for x
    x = 69,083,015.21/11,152.94
  6. Step 6: Final answer
    x = 6,194.16

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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.