Home / 13,766.45-20,646.56-6,366.85

Finding the Fourth Proportional to 13,766.45, 20,646.56 and 6,366.85

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Solution

The fourth proportional to 13,766.45, 20,646.56 and 6,366.85 is: 9,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.45 : 20,646.56 = 6,366.85 : x
  2. Step 2: Convert to fraction form
    13,766.45/20,646.56 = 6,366.85/x
  3. Step 3: Cross multiply
    13,766.45x = 20,646.56 × 6,366.85
  4. Step 4: Simplify right side
    13,766.45x = 131,453,467.09
  5. Step 5: Solve for x
    x = 131,453,467.09/13,766.45
  6. Step 6: Final answer
    x = 9,548.83

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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.