Home / 11,182.20-16,773.30-7,828.80

Finding the Fourth Proportional to 11,182.20, 16,773.30 and 7,828.80

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Solution

The fourth proportional to 11,182.20, 16,773.30 and 7,828.80 is: 11,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.20 : 16,773.30 = 7,828.80 : x
  2. Step 2: Convert to fraction form
    11,182.20/16,773.30 = 7,828.80/x
  3. Step 3: Cross multiply
    11,182.20x = 16,773.30 × 7,828.80
  4. Step 4: Simplify right side
    11,182.20x = 131,314,811.04
  5. Step 5: Solve for x
    x = 131,314,811.04/11,182.20
  6. Step 6: Final answer
    x = 11,743.20

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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.