Home / 11,149.48-16,728.54-4,222.36

Finding the Fourth Proportional to 11,149.48, 16,728.54 and 4,222.36

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Solution

The fourth proportional to 11,149.48, 16,728.54 and 4,222.36 is: 6,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.48 : 16,728.54 = 4,222.36 : x
  2. Step 2: Convert to fraction form
    11,149.48/16,728.54 = 4,222.36/x
  3. Step 3: Cross multiply
    11,149.48x = 16,728.54 × 4,222.36
  4. Step 4: Simplify right side
    11,149.48x = 70,633,918.15
  5. Step 5: Solve for x
    x = 70,633,918.15/11,149.48
  6. Step 6: Final answer
    x = 6,335.18

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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.