Home / 13,906.55-20,863.36-4,045.82

Finding the Fourth Proportional to 13,906.55, 20,863.36 and 4,045.82

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Solution

The fourth proportional to 13,906.55, 20,863.36 and 4,045.82 is: 6,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.55 : 20,863.36 = 4,045.82 : x
  2. Step 2: Convert to fraction form
    13,906.55/20,863.36 = 4,045.82/x
  3. Step 3: Cross multiply
    13,906.55x = 20,863.36 × 4,045.82
  4. Step 4: Simplify right side
    13,906.55x = 84,409,277.14
  5. Step 5: Solve for x
    x = 84,409,277.14/13,906.55
  6. Step 6: Final answer
    x = 6,069.75

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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.