Home / 19,964.06-29,917.37-13,731.11

Finding the Fourth Proportional to 19,964.06, 29,917.37 and 13,731.11

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Solution

The fourth proportional to 19,964.06, 29,917.37 and 13,731.11 is: 20,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.06 : 29,917.37 = 13,731.11 : x
  2. Step 2: Convert to fraction form
    19,964.06/29,917.37 = 13,731.11/x
  3. Step 3: Cross multiply
    19,964.06x = 29,917.37 × 13,731.11
  4. Step 4: Simplify right side
    19,964.06x = 410,798,480.14
  5. Step 5: Solve for x
    x = 410,798,480.14/19,964.06
  6. Step 6: Final answer
    x = 20,576.91

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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.