Home / 12,260.50-18,390.75-3,026.50

Finding the Fourth Proportional to 12,260.50, 18,390.75 and 3,026.50

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Solution

The fourth proportional to 12,260.50, 18,390.75 and 3,026.50 is: 4,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.50 : 18,390.75 = 3,026.50 : x
  2. Step 2: Convert to fraction form
    12,260.50/18,390.75 = 3,026.50/x
  3. Step 3: Cross multiply
    12,260.50x = 18,390.75 × 3,026.50
  4. Step 4: Simplify right side
    12,260.50x = 55,659,604.88
  5. Step 5: Solve for x
    x = 55,659,604.88/12,260.50
  6. Step 6: Final answer
    x = 4,539.75

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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.