Home / 18,660.56-27,990.83-6,177.23

Finding the Fourth Proportional to 18,660.56, 27,990.83 and 6,177.23

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Solution

The fourth proportional to 18,660.56, 27,990.83 and 6,177.23 is: 9,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.56 : 27,990.83 = 6,177.23 : x
  2. Step 2: Convert to fraction form
    18,660.56/27,990.83 = 6,177.23/x
  3. Step 3: Cross multiply
    18,660.56x = 27,990.83 × 6,177.23
  4. Step 4: Simplify right side
    18,660.56x = 172,905,623.96
  5. Step 5: Solve for x
    x = 172,905,623.96/18,660.56
  6. Step 6: Final answer
    x = 9,265.84

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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.