Home / 12,444.26-18,670.03-3,679.40

Finding the Fourth Proportional to 12,444.26, 18,670.03 and 3,679.40

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Solution

The fourth proportional to 12,444.26, 18,670.03 and 3,679.40 is: 5,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.26 : 18,670.03 = 3,679.40 : x
  2. Step 2: Convert to fraction form
    12,444.26/18,670.03 = 3,679.40/x
  3. Step 3: Cross multiply
    12,444.26x = 18,670.03 × 3,679.40
  4. Step 4: Simplify right side
    12,444.26x = 68,694,508.87
  5. Step 5: Solve for x
    x = 68,694,508.87/12,444.26
  6. Step 6: Final answer
    x = 5,520.18

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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.