Home / 11,326.08-16,991.52-3,429.21

Finding the Fourth Proportional to 11,326.08, 16,991.52 and 3,429.21

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Solution

The fourth proportional to 11,326.08, 16,991.52 and 3,429.21 is: 5,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.08 : 16,991.52 = 3,429.21 : x
  2. Step 2: Convert to fraction form
    11,326.08/16,991.52 = 3,429.21/x
  3. Step 3: Cross multiply
    11,326.08x = 16,991.52 × 3,429.21
  4. Step 4: Simplify right side
    11,326.08x = 58,267,490.30
  5. Step 5: Solve for x
    x = 58,267,490.30/11,326.08
  6. Step 6: Final answer
    x = 5,144.54

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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.