Home / 10,892.12-16,334.60-3,494.81

Finding the Fourth Proportional to 10,892.12, 16,334.60 and 3,494.81

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Solution

The fourth proportional to 10,892.12, 16,334.60 and 3,494.81 is: 5,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.12 : 16,334.60 = 3,494.81 : x
  2. Step 2: Convert to fraction form
    10,892.12/16,334.60 = 3,494.81/x
  3. Step 3: Cross multiply
    10,892.12x = 16,334.60 × 3,494.81
  4. Step 4: Simplify right side
    10,892.12x = 57,086,346.79
  5. Step 5: Solve for x
    x = 57,086,346.79/10,892.12
  6. Step 6: Final answer
    x = 5,241.07

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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.