Home / 18,487.44-27,742.50-6,800.76

Finding the Fourth Proportional to 18,487.44, 27,742.50 and 6,800.76

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Solution

The fourth proportional to 18,487.44, 27,742.50 and 6,800.76 is: 10,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.44 : 27,742.50 = 6,800.76 : x
  2. Step 2: Convert to fraction form
    18,487.44/27,742.50 = 6,800.76/x
  3. Step 3: Cross multiply
    18,487.44x = 27,742.50 × 6,800.76
  4. Step 4: Simplify right side
    18,487.44x = 188,670,084.30
  5. Step 5: Solve for x
    x = 188,670,084.30/18,487.44
  6. Step 6: Final answer
    x = 10,205.31

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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.