Home / 12,304.77-18,458.90-3,982.02

Finding the Fourth Proportional to 12,304.77, 18,458.90 and 3,982.02

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Solution

The fourth proportional to 12,304.77, 18,458.90 and 3,982.02 is: 5,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.77 : 18,458.90 = 3,982.02 : x
  2. Step 2: Convert to fraction form
    12,304.77/18,458.90 = 3,982.02/x
  3. Step 3: Cross multiply
    12,304.77x = 18,458.90 × 3,982.02
  4. Step 4: Simplify right side
    12,304.77x = 73,503,708.98
  5. Step 5: Solve for x
    x = 73,503,708.98/12,304.77
  6. Step 6: Final answer
    x = 5,973.59

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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.