Home / 18,116.42-27,169.70-4,965.66

Finding the Fourth Proportional to 18,116.42, 27,169.70 and 4,965.66

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Solution

The fourth proportional to 18,116.42, 27,169.70 and 4,965.66 is: 7,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.42 : 27,169.70 = 4,965.66 : x
  2. Step 2: Convert to fraction form
    18,116.42/27,169.70 = 4,965.66/x
  3. Step 3: Cross multiply
    18,116.42x = 27,169.70 × 4,965.66
  4. Step 4: Simplify right side
    18,116.42x = 134,915,467.67
  5. Step 5: Solve for x
    x = 134,915,467.67/18,116.42
  6. Step 6: Final answer
    x = 7,447.14

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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.