Home / 19,814.58-29,664.24-15,418.71

Finding the Fourth Proportional to 19,814.58, 29,664.24 and 15,418.71

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Solution

The fourth proportional to 19,814.58, 29,664.24 and 15,418.71 is: 23,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.58 : 29,664.24 = 15,418.71 : x
  2. Step 2: Convert to fraction form
    19,814.58/29,664.24 = 15,418.71/x
  3. Step 3: Cross multiply
    19,814.58x = 29,664.24 × 15,418.71
  4. Step 4: Simplify right side
    19,814.58x = 457,384,313.93
  5. Step 5: Solve for x
    x = 457,384,313.93/19,814.58
  6. Step 6: Final answer
    x = 23,083.22

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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.