Home / 13,717.55-18,943.67-11,716.45

Finding the Fourth Proportional to 13,717.55, 18,943.67 and 11,716.45

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Solution

The fourth proportional to 13,717.55, 18,943.67 and 11,716.45 is: 16,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.55 : 18,943.67 = 11,716.45 : x
  2. Step 2: Convert to fraction form
    13,717.55/18,943.67 = 11,716.45/x
  3. Step 3: Cross multiply
    13,717.55x = 18,943.67 × 11,716.45
  4. Step 4: Simplify right side
    13,717.55x = 221,952,544.30
  5. Step 5: Solve for x
    x = 221,952,544.30/13,717.55
  6. Step 6: Final answer
    x = 16,180.19

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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.