Home / 12,847.11-19,274.08-5,451.99

Finding the Fourth Proportional to 12,847.11, 19,274.08 and 5,451.99

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Solution

The fourth proportional to 12,847.11, 19,274.08 and 5,451.99 is: 8,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.11 : 19,274.08 = 5,451.99 : x
  2. Step 2: Convert to fraction form
    12,847.11/19,274.08 = 5,451.99/x
  3. Step 3: Cross multiply
    12,847.11x = 19,274.08 × 5,451.99
  4. Step 4: Simplify right side
    12,847.11x = 105,082,091.42
  5. Step 5: Solve for x
    x = 105,082,091.42/12,847.11
  6. Step 6: Final answer
    x = 8,179.43

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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.