Home / 18,747.44-28,119.30-4,896.44

Finding the Fourth Proportional to 18,747.44, 28,119.30 and 4,896.44

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Solution

The fourth proportional to 18,747.44, 28,119.30 and 4,896.44 is: 7,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.44 : 28,119.30 = 4,896.44 : x
  2. Step 2: Convert to fraction form
    18,747.44/28,119.30 = 4,896.44/x
  3. Step 3: Cross multiply
    18,747.44x = 28,119.30 × 4,896.44
  4. Step 4: Simplify right side
    18,747.44x = 137,684,465.29
  5. Step 5: Solve for x
    x = 137,684,465.29/18,747.44
  6. Step 6: Final answer
    x = 7,344.17

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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.