Home / 19,697.30-27,185.80-11,740.04

Finding the Fourth Proportional to 19,697.30, 27,185.80 and 11,740.04

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Solution

The fourth proportional to 19,697.30, 27,185.80 and 11,740.04 is: 16,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.30 : 27,185.80 = 11,740.04 : x
  2. Step 2: Convert to fraction form
    19,697.30/27,185.80 = 11,740.04/x
  3. Step 3: Cross multiply
    19,697.30x = 27,185.80 × 11,740.04
  4. Step 4: Simplify right side
    19,697.30x = 319,162,379.43
  5. Step 5: Solve for x
    x = 319,162,379.43/19,697.30
  6. Step 6: Final answer
    x = 16,203.36

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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.