Home / 18,042.20-27,063.30-8,200.70

Finding the Fourth Proportional to 18,042.20, 27,063.30 and 8,200.70

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Solution

The fourth proportional to 18,042.20, 27,063.30 and 8,200.70 is: 12,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.20 : 27,063.30 = 8,200.70 : x
  2. Step 2: Convert to fraction form
    18,042.20/27,063.30 = 8,200.70/x
  3. Step 3: Cross multiply
    18,042.20x = 27,063.30 × 8,200.70
  4. Step 4: Simplify right side
    18,042.20x = 221,938,004.31
  5. Step 5: Solve for x
    x = 221,938,004.31/18,042.20
  6. Step 6: Final answer
    x = 12,301.05

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1.5x scale

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.