Home / 13,073.91-19,682.00-11,911.38

Finding the Fourth Proportional to 13,073.91, 19,682.00 and 11,911.38

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Solution

The fourth proportional to 13,073.91, 19,682.00 and 11,911.38 is: 17,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.91 : 19,682.00 = 11,911.38 : x
  2. Step 2: Convert to fraction form
    13,073.91/19,682.00 = 11,911.38/x
  3. Step 3: Cross multiply
    13,073.91x = 19,682.00 × 11,911.38
  4. Step 4: Simplify right side
    13,073.91x = 234,439,764.57
  5. Step 5: Solve for x
    x = 234,439,764.57/13,073.91
  6. Step 6: Final answer
    x = 17,931.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.