Home / 21,468.26-29,620.14-13,914.91

Finding the Fourth Proportional to 21,468.26, 29,620.14 and 13,914.91

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Solution

The fourth proportional to 21,468.26, 29,620.14 and 13,914.91 is: 19,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.26 : 29,620.14 = 13,914.91 : x
  2. Step 2: Convert to fraction form
    21,468.26/29,620.14 = 13,914.91/x
  3. Step 3: Cross multiply
    21,468.26x = 29,620.14 × 13,914.91
  4. Step 4: Simplify right side
    21,468.26x = 412,161,582.29
  5. Step 5: Solve for x
    x = 412,161,582.29/21,468.26
  6. Step 6: Final answer
    x = 19,198.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.