Home / 11,619.40-17,429.05-3,299.42

Finding the Fourth Proportional to 11,619.40, 17,429.05 and 3,299.42

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Solution

The fourth proportional to 11,619.40, 17,429.05 and 3,299.42 is: 4,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.40 : 17,429.05 = 3,299.42 : x
  2. Step 2: Convert to fraction form
    11,619.40/17,429.05 = 3,299.42/x
  3. Step 3: Cross multiply
    11,619.40x = 17,429.05 × 3,299.42
  4. Step 4: Simplify right side
    11,619.40x = 57,505,652.51
  5. Step 5: Solve for x
    x = 57,505,652.51/11,619.40
  6. Step 6: Final answer
    x = 4,949.11

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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.