Home / 18,664.50-27,996.58-7,568.55

Finding the Fourth Proportional to 18,664.50, 27,996.58 and 7,568.55

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Solution

The fourth proportional to 18,664.50, 27,996.58 and 7,568.55 is: 11,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.50 : 27,996.58 = 7,568.55 : x
  2. Step 2: Convert to fraction form
    18,664.50/27,996.58 = 7,568.55/x
  3. Step 3: Cross multiply
    18,664.50x = 27,996.58 × 7,568.55
  4. Step 4: Simplify right side
    18,664.50x = 211,893,515.56
  5. Step 5: Solve for x
    x = 211,893,515.56/18,664.50
  6. Step 6: Final answer
    x = 11,352.76

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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.