Home / 18,262.10-27,408.70-7,176.55

Finding the Fourth Proportional to 18,262.10, 27,408.70 and 7,176.55

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Solution

The fourth proportional to 18,262.10, 27,408.70 and 7,176.55 is: 10,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.10 : 27,408.70 = 7,176.55 : x
  2. Step 2: Convert to fraction form
    18,262.10/27,408.70 = 7,176.55/x
  3. Step 3: Cross multiply
    18,262.10x = 27,408.70 × 7,176.55
  4. Step 4: Simplify right side
    18,262.10x = 196,699,905.99
  5. Step 5: Solve for x
    x = 196,699,905.99/18,262.10
  6. Step 6: Final answer
    x = 10,770.94

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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.