Home / 14,042.28-21,063.36-3,654

Finding the Fourth Proportional to 14,042.28, 21,063.36 and 3,654

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Solution

The fourth proportional to 14,042.28, 21,063.36 and 3,654 is: 5,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.28 : 21,063.36 = 3,654 : x
  2. Step 2: Convert to fraction form
    14,042.28/21,063.36 = 3,654/x
  3. Step 3: Cross multiply
    14,042.28x = 21,063.36 × 3,654
  4. Step 4: Simplify right side
    14,042.28x = 76,965,517.44
  5. Step 5: Solve for x
    x = 76,965,517.44/14,042.28
  6. Step 6: Final answer
    x = 5,480.98

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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.