Home / 11,189.30-16,782.80-3,793.56

Finding the Fourth Proportional to 11,189.30, 16,782.80 and 3,793.56

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Solution

The fourth proportional to 11,189.30, 16,782.80 and 3,793.56 is: 5,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.30 : 16,782.80 = 3,793.56 : x
  2. Step 2: Convert to fraction form
    11,189.30/16,782.80 = 3,793.56/x
  3. Step 3: Cross multiply
    11,189.30x = 16,782.80 × 3,793.56
  4. Step 4: Simplify right side
    11,189.30x = 63,666,558.77
  5. Step 5: Solve for x
    x = 63,666,558.77/11,189.30
  6. Step 6: Final answer
    x = 5,689.95

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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.