Home / 19,429.91-29,174.03-11,119.31

Finding the Fourth Proportional to 19,429.91, 29,174.03 and 11,119.31

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Solution

The fourth proportional to 19,429.91, 29,174.03 and 11,119.31 is: 16,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.91 : 29,174.03 = 11,119.31 : x
  2. Step 2: Convert to fraction form
    19,429.91/29,174.03 = 11,119.31/x
  3. Step 3: Cross multiply
    19,429.91x = 29,174.03 × 11,119.31
  4. Step 4: Simplify right side
    19,429.91x = 324,395,027.92
  5. Step 5: Solve for x
    x = 324,395,027.92/19,429.91
  6. Step 6: Final answer
    x = 16,695.65

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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.