Home / 11,003.20-16,504.80-4,859.20

Finding the Fourth Proportional to 11,003.20, 16,504.80 and 4,859.20

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Solution

The fourth proportional to 11,003.20, 16,504.80 and 4,859.20 is: 7,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.20 : 16,504.80 = 4,859.20 : x
  2. Step 2: Convert to fraction form
    11,003.20/16,504.80 = 4,859.20/x
  3. Step 3: Cross multiply
    11,003.20x = 16,504.80 × 4,859.20
  4. Step 4: Simplify right side
    11,003.20x = 80,200,124.16
  5. Step 5: Solve for x
    x = 80,200,124.16/11,003.20
  6. Step 6: Final answer
    x = 7,288.80

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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.