Home / 14,142.26-21,218.00-6,745.76

Finding the Fourth Proportional to 14,142.26, 21,218.00 and 6,745.76

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Solution

The fourth proportional to 14,142.26, 21,218.00 and 6,745.76 is: 10,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.26 : 21,218.00 = 6,745.76 : x
  2. Step 2: Convert to fraction form
    14,142.26/21,218.00 = 6,745.76/x
  3. Step 3: Cross multiply
    14,142.26x = 21,218.00 × 6,745.76
  4. Step 4: Simplify right side
    14,142.26x = 143,131,395.86
  5. Step 5: Solve for x
    x = 143,131,395.86/14,142.26
  6. Step 6: Final answer
    x = 10,120.83

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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.