Home / 10,729.26-16,086.60-6,782.94

Finding the Fourth Proportional to 10,729.26, 16,086.60 and 6,782.94

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Solution

The fourth proportional to 10,729.26, 16,086.60 and 6,782.94 is: 10,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.26 : 16,086.60 = 6,782.94 : x
  2. Step 2: Convert to fraction form
    10,729.26/16,086.60 = 6,782.94/x
  3. Step 3: Cross multiply
    10,729.26x = 16,086.60 × 6,782.94
  4. Step 4: Simplify right side
    10,729.26x = 109,114,442.60
  5. Step 5: Solve for x
    x = 109,114,442.60/10,729.26
  6. Step 6: Final answer
    x = 10,169.80

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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.