Home / 11,246.85-16,866.63-3,453.84

Finding the Fourth Proportional to 11,246.85, 16,866.63 and 3,453.84

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Solution

The fourth proportional to 11,246.85, 16,866.63 and 3,453.84 is: 5,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.85 : 16,866.63 = 3,453.84 : x
  2. Step 2: Convert to fraction form
    11,246.85/16,866.63 = 3,453.84/x
  3. Step 3: Cross multiply
    11,246.85x = 16,866.63 × 3,453.84
  4. Step 4: Simplify right side
    11,246.85x = 58,254,641.36
  5. Step 5: Solve for x
    x = 58,254,641.36/11,246.85
  6. Step 6: Final answer
    x = 5,179.64

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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.