Home / 19,698.18-27,186.62-11,745.02

Finding the Fourth Proportional to 19,698.18, 27,186.62 and 11,745.02

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Solution

The fourth proportional to 19,698.18, 27,186.62 and 11,745.02 is: 16,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.18 : 27,186.62 = 11,745.02 : x
  2. Step 2: Convert to fraction form
    19,698.18/27,186.62 = 11,745.02/x
  3. Step 3: Cross multiply
    19,698.18x = 27,186.62 × 11,745.02
  4. Step 4: Simplify right side
    19,698.18x = 319,307,395.63
  5. Step 5: Solve for x
    x = 319,307,395.63/19,698.18
  6. Step 6: Final answer
    x = 16,209.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.