Home / 18,609.84-27,912.24-5,459.76

Finding the Fourth Proportional to 18,609.84, 27,912.24 and 5,459.76

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Solution

The fourth proportional to 18,609.84, 27,912.24 and 5,459.76 is: 8,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.84 : 27,912.24 = 5,459.76 : x
  2. Step 2: Convert to fraction form
    18,609.84/27,912.24 = 5,459.76/x
  3. Step 3: Cross multiply
    18,609.84x = 27,912.24 × 5,459.76
  4. Step 4: Simplify right side
    18,609.84x = 152,394,131.46
  5. Step 5: Solve for x
    x = 152,394,131.46/18,609.84
  6. Step 6: Final answer
    x = 8,188.90

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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.