Home / 18,662.56-27,996.86-5,516.26

Finding the Fourth Proportional to 18,662.56, 27,996.86 and 5,516.26

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Solution

The fourth proportional to 18,662.56, 27,996.86 and 5,516.26 is: 8,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.56 : 27,996.86 = 5,516.26 : x
  2. Step 2: Convert to fraction form
    18,662.56/27,996.86 = 5,516.26/x
  3. Step 3: Cross multiply
    18,662.56x = 27,996.86 × 5,516.26
  4. Step 4: Simplify right side
    18,662.56x = 154,437,902.74
  5. Step 5: Solve for x
    x = 154,437,902.74/18,662.56
  6. Step 6: Final answer
    x = 8,275.28

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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.