Home / 13,179.07-19,768.49-5,382.41

Finding the Fourth Proportional to 13,179.07, 19,768.49 and 5,382.41

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Solution

The fourth proportional to 13,179.07, 19,768.49 and 5,382.41 is: 8,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.07 : 19,768.49 = 5,382.41 : x
  2. Step 2: Convert to fraction form
    13,179.07/19,768.49 = 5,382.41/x
  3. Step 3: Cross multiply
    13,179.07x = 19,768.49 × 5,382.41
  4. Step 4: Simplify right side
    13,179.07x = 106,402,118.26
  5. Step 5: Solve for x
    x = 106,402,118.26/13,179.07
  6. Step 6: Final answer
    x = 8,073.57

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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.