Home / 14,342.09-21,514.07-3,811.95

Finding the Fourth Proportional to 14,342.09, 21,514.07 and 3,811.95

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Solution

The fourth proportional to 14,342.09, 21,514.07 and 3,811.95 is: 5,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.09 : 21,514.07 = 3,811.95 : x
  2. Step 2: Convert to fraction form
    14,342.09/21,514.07 = 3,811.95/x
  3. Step 3: Cross multiply
    14,342.09x = 21,514.07 × 3,811.95
  4. Step 4: Simplify right side
    14,342.09x = 82,010,540.08
  5. Step 5: Solve for x
    x = 82,010,540.08/14,342.09
  6. Step 6: Final answer
    x = 5,718.17

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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.