Home / 14,379.80-21,573.27-11,429.37

Finding the Fourth Proportional to 14,379.80, 21,573.27 and 11,429.37

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Solution

The fourth proportional to 14,379.80, 21,573.27 and 11,429.37 is: 17,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.80 : 21,573.27 = 11,429.37 : x
  2. Step 2: Convert to fraction form
    14,379.80/21,573.27 = 11,429.37/x
  3. Step 3: Cross multiply
    14,379.80x = 21,573.27 × 11,429.37
  4. Step 4: Simplify right side
    14,379.80x = 246,568,884.94
  5. Step 5: Solve for x
    x = 246,568,884.94/14,379.80
  6. Step 6: Final answer
    x = 17,146.90

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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.