Home / 18,217.88-27,261.80-13,226.04

Finding the Fourth Proportional to 18,217.88, 27,261.80 and 13,226.04

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Solution

The fourth proportional to 18,217.88, 27,261.80 and 13,226.04 is: 19,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.88 : 27,261.80 = 13,226.04 : x
  2. Step 2: Convert to fraction form
    18,217.88/27,261.80 = 13,226.04/x
  3. Step 3: Cross multiply
    18,217.88x = 27,261.80 × 13,226.04
  4. Step 4: Simplify right side
    18,217.88x = 360,565,657.27
  5. Step 5: Solve for x
    x = 360,565,657.27/18,217.88
  6. Step 6: Final answer
    x = 19,791.86

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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.