Home / 13,298.70-19,941.96-3,935.38

Finding the Fourth Proportional to 13,298.70, 19,941.96 and 3,935.38

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Solution

The fourth proportional to 13,298.70, 19,941.96 and 3,935.38 is: 5,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.70 : 19,941.96 = 3,935.38 : x
  2. Step 2: Convert to fraction form
    13,298.70/19,941.96 = 3,935.38/x
  3. Step 3: Cross multiply
    13,298.70x = 19,941.96 × 3,935.38
  4. Step 4: Simplify right side
    13,298.70x = 78,479,190.54
  5. Step 5: Solve for x
    x = 78,479,190.54/13,298.70
  6. Step 6: Final answer
    x = 5,901.27

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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.