Home / 14,142.12-21,213.58-3,753.88

Finding the Fourth Proportional to 14,142.12, 21,213.58 and 3,753.88

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Solution

The fourth proportional to 14,142.12, 21,213.58 and 3,753.88 is: 5,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.12 : 21,213.58 = 3,753.88 : x
  2. Step 2: Convert to fraction form
    14,142.12/21,213.58 = 3,753.88/x
  3. Step 3: Cross multiply
    14,142.12x = 21,213.58 × 3,753.88
  4. Step 4: Simplify right side
    14,142.12x = 79,633,233.69
  5. Step 5: Solve for x
    x = 79,633,233.69/14,142.12
  6. Step 6: Final answer
    x = 5,630.93

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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.