Home / 14,103.12-21,154.68-3,714

Finding the Fourth Proportional to 14,103.12, 21,154.68 and 3,714

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Solution

The fourth proportional to 14,103.12, 21,154.68 and 3,714 is: 5,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.12 : 21,154.68 = 3,714 : x
  2. Step 2: Convert to fraction form
    14,103.12/21,154.68 = 3,714/x
  3. Step 3: Cross multiply
    14,103.12x = 21,154.68 × 3,714
  4. Step 4: Simplify right side
    14,103.12x = 78,568,481.52
  5. Step 5: Solve for x
    x = 78,568,481.52/14,103.12
  6. Step 6: Final answer
    x = 5,571.00

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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.