Home / 12,021.53-18,034.35-3,701.38

Finding the Fourth Proportional to 12,021.53, 18,034.35 and 3,701.38

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Solution

The fourth proportional to 12,021.53, 18,034.35 and 3,701.38 is: 5,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.53 : 18,034.35 = 3,701.38 : x
  2. Step 2: Convert to fraction form
    12,021.53/18,034.35 = 3,701.38/x
  3. Step 3: Cross multiply
    12,021.53x = 18,034.35 × 3,701.38
  4. Step 4: Simplify right side
    12,021.53x = 66,751,892.23
  5. Step 5: Solve for x
    x = 66,751,892.23/12,021.53
  6. Step 6: Final answer
    x = 5,552.70

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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.