Home / 18,185.56-27,278.68-5,705.30

Finding the Fourth Proportional to 18,185.56, 27,278.68 and 5,705.30

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Solution

The fourth proportional to 18,185.56, 27,278.68 and 5,705.30 is: 8,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.56 : 27,278.68 = 5,705.30 : x
  2. Step 2: Convert to fraction form
    18,185.56/27,278.68 = 5,705.30/x
  3. Step 3: Cross multiply
    18,185.56x = 27,278.68 × 5,705.30
  4. Step 4: Simplify right side
    18,185.56x = 155,633,053.00
  5. Step 5: Solve for x
    x = 155,633,053.00/18,185.56
  6. Step 6: Final answer
    x = 8,558.06

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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.