Home / 19,791.44-29,688.38-8,703.35

Finding the Fourth Proportional to 19,791.44, 29,688.38 and 8,703.35

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Solution

The fourth proportional to 19,791.44, 29,688.38 and 8,703.35 is: 13,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.44 : 29,688.38 = 8,703.35 : x
  2. Step 2: Convert to fraction form
    19,791.44/29,688.38 = 8,703.35/x
  3. Step 3: Cross multiply
    19,791.44x = 29,688.38 × 8,703.35
  4. Step 4: Simplify right side
    19,791.44x = 258,388,318.56
  5. Step 5: Solve for x
    x = 258,388,318.56/19,791.44
  6. Step 6: Final answer
    x = 13,055.56

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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.