Home / 19,493.11-26,912.79-13,522.69

Finding the Fourth Proportional to 19,493.11, 26,912.79 and 13,522.69

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Solution

The fourth proportional to 19,493.11, 26,912.79 and 13,522.69 is: 18,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.11 : 26,912.79 = 13,522.69 : x
  2. Step 2: Convert to fraction form
    19,493.11/26,912.79 = 13,522.69/x
  3. Step 3: Cross multiply
    19,493.11x = 26,912.79 × 13,522.69
  4. Step 4: Simplify right side
    19,493.11x = 363,933,316.21
  5. Step 5: Solve for x
    x = 363,933,316.21/19,493.11
  6. Step 6: Final answer
    x = 18,669.84

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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.