Home / 13,804.08-19,050.11-7,836

Finding the Fourth Proportional to 13,804.08, 19,050.11 and 7,836

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Solution

The fourth proportional to 13,804.08, 19,050.11 and 7,836 is: 10,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.08 : 19,050.11 = 7,836 : x
  2. Step 2: Convert to fraction form
    13,804.08/19,050.11 = 7,836/x
  3. Step 3: Cross multiply
    13,804.08x = 19,050.11 × 7,836
  4. Step 4: Simplify right side
    13,804.08x = 149,276,622.78
  5. Step 5: Solve for x
    x = 149,276,622.78/13,804.08
  6. Step 6: Final answer
    x = 10,813.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.