Home / 13,901.70-20,850.53-4,039.95

Finding the Fourth Proportional to 13,901.70, 20,850.53 and 4,039.95

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Solution

The fourth proportional to 13,901.70, 20,850.53 and 4,039.95 is: 6,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.70 : 20,850.53 = 4,039.95 : x
  2. Step 2: Convert to fraction form
    13,901.70/20,850.53 = 4,039.95/x
  3. Step 3: Cross multiply
    13,901.70x = 20,850.53 × 4,039.95
  4. Step 4: Simplify right side
    13,901.70x = 84,235,078.47
  5. Step 5: Solve for x
    x = 84,235,078.47/13,901.70
  6. Step 6: Final answer
    x = 6,059.34

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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.