Home / 9,428.44-14,142.70-3,188.50

Finding the Fourth Proportional to 9,428.44, 14,142.70 and 3,188.50

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Solution

The fourth proportional to 9,428.44, 14,142.70 and 3,188.50 is: 4,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.44 : 14,142.70 = 3,188.50 : x
  2. Step 2: Convert to fraction form
    9,428.44/14,142.70 = 3,188.50/x
  3. Step 3: Cross multiply
    9,428.44x = 14,142.70 × 3,188.50
  4. Step 4: Simplify right side
    9,428.44x = 45,093,998.95
  5. Step 5: Solve for x
    x = 45,093,998.95/9,428.44
  6. Step 6: Final answer
    x = 4,782.76

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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.