Home / 13,556.43-20,332.59-3,696.50

Finding the Fourth Proportional to 13,556.43, 20,332.59 and 3,696.50

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Solution

The fourth proportional to 13,556.43, 20,332.59 and 3,696.50 is: 5,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.43 : 20,332.59 = 3,696.50 : x
  2. Step 2: Convert to fraction form
    13,556.43/20,332.59 = 3,696.50/x
  3. Step 3: Cross multiply
    13,556.43x = 20,332.59 × 3,696.50
  4. Step 4: Simplify right side
    13,556.43x = 75,159,418.94
  5. Step 5: Solve for x
    x = 75,159,418.94/13,556.43
  6. Step 6: Final answer
    x = 5,544.19

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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.