Home / 14,224.78-21,337.56-3,836.50

Finding the Fourth Proportional to 14,224.78, 21,337.56 and 3,836.50

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Solution

The fourth proportional to 14,224.78, 21,337.56 and 3,836.50 is: 5,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.78 : 21,337.56 = 3,836.50 : x
  2. Step 2: Convert to fraction form
    14,224.78/21,337.56 = 3,836.50/x
  3. Step 3: Cross multiply
    14,224.78x = 21,337.56 × 3,836.50
  4. Step 4: Simplify right side
    14,224.78x = 81,861,548.94
  5. Step 5: Solve for x
    x = 81,861,548.94/14,224.78
  6. Step 6: Final answer
    x = 5,754.86

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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.