Home / 18,241.10-27,350.70-7,134.55

Finding the Fourth Proportional to 18,241.10, 27,350.70 and 7,134.55

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Solution

The fourth proportional to 18,241.10, 27,350.70 and 7,134.55 is: 10,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.10 : 27,350.70 = 7,134.55 : x
  2. Step 2: Convert to fraction form
    18,241.10/27,350.70 = 7,134.55/x
  3. Step 3: Cross multiply
    18,241.10x = 27,350.70 × 7,134.55
  4. Step 4: Simplify right side
    18,241.10x = 195,134,936.69
  5. Step 5: Solve for x
    x = 195,134,936.69/18,241.10
  6. Step 6: Final answer
    x = 10,697.54

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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.