Home / 12,440.66-18,656.50-4,119.14

Finding the Fourth Proportional to 12,440.66, 18,656.50 and 4,119.14

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Solution

The fourth proportional to 12,440.66, 18,656.50 and 4,119.14 is: 6,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.66 : 18,656.50 = 4,119.14 : x
  2. Step 2: Convert to fraction form
    12,440.66/18,656.50 = 4,119.14/x
  3. Step 3: Cross multiply
    12,440.66x = 18,656.50 × 4,119.14
  4. Step 4: Simplify right side
    12,440.66x = 76,848,735.41
  5. Step 5: Solve for x
    x = 76,848,735.41/12,440.66
  6. Step 6: Final answer
    x = 6,177.22

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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.