Home / 13,774.67-20,662.17-3,913.93

Finding the Fourth Proportional to 13,774.67, 20,662.17 and 3,913.93

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Solution

The fourth proportional to 13,774.67, 20,662.17 and 3,913.93 is: 5,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.67 : 20,662.17 = 3,913.93 : x
  2. Step 2: Convert to fraction form
    13,774.67/20,662.17 = 3,913.93/x
  3. Step 3: Cross multiply
    13,774.67x = 20,662.17 × 3,913.93
  4. Step 4: Simplify right side
    13,774.67x = 80,870,235.37
  5. Step 5: Solve for x
    x = 80,870,235.37/13,774.67
  6. Step 6: Final answer
    x = 5,870.94

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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.