Home / 12,536.45-18,805.02-3,651.43

Finding the Fourth Proportional to 12,536.45, 18,805.02 and 3,651.43

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Solution

The fourth proportional to 12,536.45, 18,805.02 and 3,651.43 is: 5,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.45 : 18,805.02 = 3,651.43 : x
  2. Step 2: Convert to fraction form
    12,536.45/18,805.02 = 3,651.43/x
  3. Step 3: Cross multiply
    12,536.45x = 18,805.02 × 3,651.43
  4. Step 4: Simplify right side
    12,536.45x = 68,665,214.18
  5. Step 5: Solve for x
    x = 68,665,214.18/12,536.45
  6. Step 6: Final answer
    x = 5,477.25

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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.