Home / 19,192.40-28,796.96-6,721.38

Finding the Fourth Proportional to 19,192.40, 28,796.96 and 6,721.38

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Solution

The fourth proportional to 19,192.40, 28,796.96 and 6,721.38 is: 10,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.40 : 28,796.96 = 6,721.38 : x
  2. Step 2: Convert to fraction form
    19,192.40/28,796.96 = 6,721.38/x
  3. Step 3: Cross multiply
    19,192.40x = 28,796.96 × 6,721.38
  4. Step 4: Simplify right side
    19,192.40x = 193,555,311.00
  5. Step 5: Solve for x
    x = 193,555,311.00/19,192.40
  6. Step 6: Final answer
    x = 10,085.00

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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.