Home / 16,189.20-24,249.78-7,431.48

Finding the Fourth Proportional to 16,189.20, 24,249.78 and 7,431.48

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Solution

The fourth proportional to 16,189.20, 24,249.78 and 7,431.48 is: 11,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.20 : 24,249.78 = 7,431.48 : x
  2. Step 2: Convert to fraction form
    16,189.20/24,249.78 = 7,431.48/x
  3. Step 3: Cross multiply
    16,189.20x = 24,249.78 × 7,431.48
  4. Step 4: Simplify right side
    16,189.20x = 180,211,755.07
  5. Step 5: Solve for x
    x = 180,211,755.07/16,189.20
  6. Step 6: Final answer
    x = 11,131.60

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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.