Home / 10,763.20-16,145.60-3,836.80

Finding the Fourth Proportional to 10,763.20, 16,145.60 and 3,836.80

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Solution

The fourth proportional to 10,763.20, 16,145.60 and 3,836.80 is: 5,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.20 : 16,145.60 = 3,836.80 : x
  2. Step 2: Convert to fraction form
    10,763.20/16,145.60 = 3,836.80/x
  3. Step 3: Cross multiply
    10,763.20x = 16,145.60 × 3,836.80
  4. Step 4: Simplify right side
    10,763.20x = 61,947,438.08
  5. Step 5: Solve for x
    x = 61,947,438.08/10,763.20
  6. Step 6: Final answer
    x = 5,755.49

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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.