Home / 18,294.26-27,441.38-12,438.56

Finding the Fourth Proportional to 18,294.26, 27,441.38 and 12,438.56

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Solution

The fourth proportional to 18,294.26, 27,441.38 and 12,438.56 is: 18,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.26 : 27,441.38 = 12,438.56 : x
  2. Step 2: Convert to fraction form
    18,294.26/27,441.38 = 12,438.56/x
  3. Step 3: Cross multiply
    18,294.26x = 27,441.38 × 12,438.56
  4. Step 4: Simplify right side
    18,294.26x = 341,331,351.31
  5. Step 5: Solve for x
    x = 341,331,351.31/18,294.26
  6. Step 6: Final answer
    x = 18,657.84

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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.