Home / 13,317.89-19,975.06-3,957.73

Finding the Fourth Proportional to 13,317.89, 19,975.06 and 3,957.73

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Solution

The fourth proportional to 13,317.89, 19,975.06 and 3,957.73 is: 5,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.89 : 19,975.06 = 3,957.73 : x
  2. Step 2: Convert to fraction form
    13,317.89/19,975.06 = 3,957.73/x
  3. Step 3: Cross multiply
    13,317.89x = 19,975.06 × 3,957.73
  4. Step 4: Simplify right side
    13,317.89x = 79,055,826.96
  5. Step 5: Solve for x
    x = 79,055,826.96/13,317.89
  6. Step 6: Final answer
    x = 5,936.06

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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.