Home / 14,067.55-21,090.84-8,519.68

Finding the Fourth Proportional to 14,067.55, 21,090.84 and 8,519.68

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Solution

The fourth proportional to 14,067.55, 21,090.84 and 8,519.68 is: 12,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.55 : 21,090.84 = 8,519.68 : x
  2. Step 2: Convert to fraction form
    14,067.55/21,090.84 = 8,519.68/x
  3. Step 3: Cross multiply
    14,067.55x = 21,090.84 × 8,519.68
  4. Step 4: Simplify right side
    14,067.55x = 179,687,207.73
  5. Step 5: Solve for x
    x = 179,687,207.73/14,067.55
  6. Step 6: Final answer
    x = 12,773.17

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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.