Home / 13,554.43-20,329.59-3,694.50

Finding the Fourth Proportional to 13,554.43, 20,329.59 and 3,694.50

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Solution

The fourth proportional to 13,554.43, 20,329.59 and 3,694.50 is: 5,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.43 : 20,329.59 = 3,694.50 : x
  2. Step 2: Convert to fraction form
    13,554.43/20,329.59 = 3,694.50/x
  3. Step 3: Cross multiply
    13,554.43x = 20,329.59 × 3,694.50
  4. Step 4: Simplify right side
    13,554.43x = 75,107,670.26
  5. Step 5: Solve for x
    x = 75,107,670.26/13,554.43
  6. Step 6: Final answer
    x = 5,541.19

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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.