Home / 14,344.50-21,514.32-3,814.68

Finding the Fourth Proportional to 14,344.50, 21,514.32 and 3,814.68

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Solution

The fourth proportional to 14,344.50, 21,514.32 and 3,814.68 is: 5,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.50 : 21,514.32 = 3,814.68 : x
  2. Step 2: Convert to fraction form
    14,344.50/21,514.32 = 3,814.68/x
  3. Step 3: Cross multiply
    14,344.50x = 21,514.32 × 3,814.68
  4. Step 4: Simplify right side
    14,344.50x = 82,070,246.22
  5. Step 5: Solve for x
    x = 82,070,246.22/14,344.50
  6. Step 6: Final answer
    x = 5,721.37

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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.