Home / 14,214.08-21,321.84-3,825.92

Finding the Fourth Proportional to 14,214.08, 21,321.84 and 3,825.92

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Solution

The fourth proportional to 14,214.08, 21,321.84 and 3,825.92 is: 5,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.08 : 21,321.84 = 3,825.92 : x
  2. Step 2: Convert to fraction form
    14,214.08/21,321.84 = 3,825.92/x
  3. Step 3: Cross multiply
    14,214.08x = 21,321.84 × 3,825.92
  4. Step 4: Simplify right side
    14,214.08x = 81,575,654.09
  5. Step 5: Solve for x
    x = 81,575,654.09/14,214.08
  6. Step 6: Final answer
    x = 5,739.07

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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.