Home / 11,209.45-16,814.13-3,418.24

Finding the Fourth Proportional to 11,209.45, 16,814.13 and 3,418.24

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Solution

The fourth proportional to 11,209.45, 16,814.13 and 3,418.24 is: 5,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.45 : 16,814.13 = 3,418.24 : x
  2. Step 2: Convert to fraction form
    11,209.45/16,814.13 = 3,418.24/x
  3. Step 3: Cross multiply
    11,209.45x = 16,814.13 × 3,418.24
  4. Step 4: Simplify right side
    11,209.45x = 57,474,731.73
  5. Step 5: Solve for x
    x = 57,474,731.73/11,209.45
  6. Step 6: Final answer
    x = 5,127.35

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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.