Home / 10,366.80-15,550.20-3,441.30

Finding the Fourth Proportional to 10,366.80, 15,550.20 and 3,441.30

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Solution

The fourth proportional to 10,366.80, 15,550.20 and 3,441.30 is: 5,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.80 : 15,550.20 = 3,441.30 : x
  2. Step 2: Convert to fraction form
    10,366.80/15,550.20 = 3,441.30/x
  3. Step 3: Cross multiply
    10,366.80x = 15,550.20 × 3,441.30
  4. Step 4: Simplify right side
    10,366.80x = 53,512,903.26
  5. Step 5: Solve for x
    x = 53,512,903.26/10,366.80
  6. Step 6: Final answer
    x = 5,161.95

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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.