Home / 13,394.68-18,493.77-8,366.56

Finding the Fourth Proportional to 13,394.68, 18,493.77 and 8,366.56

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Solution

The fourth proportional to 13,394.68, 18,493.77 and 8,366.56 is: 11,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.68 : 18,493.77 = 8,366.56 : x
  2. Step 2: Convert to fraction form
    13,394.68/18,493.77 = 8,366.56/x
  3. Step 3: Cross multiply
    13,394.68x = 18,493.77 × 8,366.56
  4. Step 4: Simplify right side
    13,394.68x = 154,729,236.33
  5. Step 5: Solve for x
    x = 154,729,236.33/13,394.68
  6. Step 6: Final answer
    x = 11,551.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.