Home / 10,739.80-16,107.81-2,947.96

Finding the Fourth Proportional to 10,739.80, 16,107.81 and 2,947.96

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Solution

The fourth proportional to 10,739.80, 16,107.81 and 2,947.96 is: 4,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.80 : 16,107.81 = 2,947.96 : x
  2. Step 2: Convert to fraction form
    10,739.80/16,107.81 = 2,947.96/x
  3. Step 3: Cross multiply
    10,739.80x = 16,107.81 × 2,947.96
  4. Step 4: Simplify right side
    10,739.80x = 47,485,179.57
  5. Step 5: Solve for x
    x = 47,485,179.57/10,739.80
  6. Step 6: Final answer
    x = 4,421.42

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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.