Home / 18,200.81-27,295.41-7,104.80

Finding the Fourth Proportional to 18,200.81, 27,295.41 and 7,104.80

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Solution

The fourth proportional to 18,200.81, 27,295.41 and 7,104.80 is: 10,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.81 : 27,295.41 = 7,104.80 : x
  2. Step 2: Convert to fraction form
    18,200.81/27,295.41 = 7,104.80/x
  3. Step 3: Cross multiply
    18,200.81x = 27,295.41 × 7,104.80
  4. Step 4: Simplify right side
    18,200.81x = 193,928,428.97
  5. Step 5: Solve for x
    x = 193,928,428.97/18,200.81
  6. Step 6: Final answer
    x = 10,654.93

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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.