Home / 18,383.04-27,577.60-7,289.79

Finding the Fourth Proportional to 18,383.04, 27,577.60 and 7,289.79

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Solution

The fourth proportional to 18,383.04, 27,577.60 and 7,289.79 is: 10,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.04 : 27,577.60 = 7,289.79 : x
  2. Step 2: Convert to fraction form
    18,383.04/27,577.60 = 7,289.79/x
  3. Step 3: Cross multiply
    18,383.04x = 27,577.60 × 7,289.79
  4. Step 4: Simplify right side
    18,383.04x = 201,034,912.70
  5. Step 5: Solve for x
    x = 201,034,912.70/18,383.04
  6. Step 6: Final answer
    x = 10,935.89

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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.