Home / 13,623.34-20,436.32-5,304.03

Finding the Fourth Proportional to 13,623.34, 20,436.32 and 5,304.03

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Solution

The fourth proportional to 13,623.34, 20,436.32 and 5,304.03 is: 7,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.34 : 20,436.32 = 5,304.03 : x
  2. Step 2: Convert to fraction form
    13,623.34/20,436.32 = 5,304.03/x
  3. Step 3: Cross multiply
    13,623.34x = 20,436.32 × 5,304.03
  4. Step 4: Simplify right side
    13,623.34x = 108,394,867.63
  5. Step 5: Solve for x
    x = 108,394,867.63/13,623.34
  6. Step 6: Final answer
    x = 7,956.56

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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.