Home / 11,019.48-16,523.72-3,999.20

Finding the Fourth Proportional to 11,019.48, 16,523.72 and 3,999.20

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Solution

The fourth proportional to 11,019.48, 16,523.72 and 3,999.20 is: 5,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.48 : 16,523.72 = 3,999.20 : x
  2. Step 2: Convert to fraction form
    11,019.48/16,523.72 = 3,999.20/x
  3. Step 3: Cross multiply
    11,019.48x = 16,523.72 × 3,999.20
  4. Step 4: Simplify right side
    11,019.48x = 66,081,661.02
  5. Step 5: Solve for x
    x = 66,081,661.02/11,019.48
  6. Step 6: Final answer
    x = 5,996.80

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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.