Home / 18,694.70-28,042.06-5,546.95

Finding the Fourth Proportional to 18,694.70, 28,042.06 and 5,546.95

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Solution

The fourth proportional to 18,694.70, 28,042.06 and 5,546.95 is: 8,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.70 : 28,042.06 = 5,546.95 : x
  2. Step 2: Convert to fraction form
    18,694.70/28,042.06 = 5,546.95/x
  3. Step 3: Cross multiply
    18,694.70x = 28,042.06 × 5,546.95
  4. Step 4: Simplify right side
    18,694.70x = 155,547,988.88
  5. Step 5: Solve for x
    x = 155,547,988.88/18,694.70
  6. Step 6: Final answer
    x = 8,320.43

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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.