Home / 11,065.80-16,601.78-4,826.36

Finding the Fourth Proportional to 11,065.80, 16,601.78 and 4,826.36

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Solution

The fourth proportional to 11,065.80, 16,601.78 and 4,826.36 is: 7,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.80 : 16,601.78 = 4,826.36 : x
  2. Step 2: Convert to fraction form
    11,065.80/16,601.78 = 4,826.36/x
  3. Step 3: Cross multiply
    11,065.80x = 16,601.78 × 4,826.36
  4. Step 4: Simplify right side
    11,065.80x = 80,126,059.78
  5. Step 5: Solve for x
    x = 80,126,059.78/11,065.80
  6. Step 6: Final answer
    x = 7,240.87

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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.