Home / 10,550.20-15,826.20-2,759

Finding the Fourth Proportional to 10,550.20, 15,826.20 and 2,759

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Solution

The fourth proportional to 10,550.20, 15,826.20 and 2,759 is: 4,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.20 : 15,826.20 = 2,759 : x
  2. Step 2: Convert to fraction form
    10,550.20/15,826.20 = 2,759/x
  3. Step 3: Cross multiply
    10,550.20x = 15,826.20 × 2,759
  4. Step 4: Simplify right side
    10,550.20x = 43,664,485.80
  5. Step 5: Solve for x
    x = 43,664,485.80/10,550.20
  6. Step 6: Final answer
    x = 4,138.74

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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.