Home / 11,189.76-16,777.44-4,260.48

Finding the Fourth Proportional to 11,189.76, 16,777.44 and 4,260.48

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Solution

The fourth proportional to 11,189.76, 16,777.44 and 4,260.48 is: 6,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.76 : 16,777.44 = 4,260.48 : x
  2. Step 2: Convert to fraction form
    11,189.76/16,777.44 = 4,260.48/x
  3. Step 3: Cross multiply
    11,189.76x = 16,777.44 × 4,260.48
  4. Step 4: Simplify right side
    11,189.76x = 71,479,947.57
  5. Step 5: Solve for x
    x = 71,479,947.57/11,189.76
  6. Step 6: Final answer
    x = 6,387.98

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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.