Home / 12,620.70-18,926.28-3,734.28

Finding the Fourth Proportional to 12,620.70, 18,926.28 and 3,734.28

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Solution

The fourth proportional to 12,620.70, 18,926.28 and 3,734.28 is: 5,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.70 : 18,926.28 = 3,734.28 : x
  2. Step 2: Convert to fraction form
    12,620.70/18,926.28 = 3,734.28/x
  3. Step 3: Cross multiply
    12,620.70x = 18,926.28 × 3,734.28
  4. Step 4: Simplify right side
    12,620.70x = 70,676,028.88
  5. Step 5: Solve for x
    x = 70,676,028.88/12,620.70
  6. Step 6: Final answer
    x = 5,600.01

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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.