Home / 12,440.36-18,664.50-3,675.32

Finding the Fourth Proportional to 12,440.36, 18,664.50 and 3,675.32

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Solution

The fourth proportional to 12,440.36, 18,664.50 and 3,675.32 is: 5,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.36 : 18,664.50 = 3,675.32 : x
  2. Step 2: Convert to fraction form
    12,440.36/18,664.50 = 3,675.32/x
  3. Step 3: Cross multiply
    12,440.36x = 18,664.50 × 3,675.32
  4. Step 4: Simplify right side
    12,440.36x = 68,598,010.14
  5. Step 5: Solve for x
    x = 68,598,010.14/12,440.36
  6. Step 6: Final answer
    x = 5,514.15

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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.