Home / 18,796.32-28,134.96-13,223.84

Finding the Fourth Proportional to 18,796.32, 28,134.96 and 13,223.84

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Solution

The fourth proportional to 18,796.32, 28,134.96 and 13,223.84 is: 19,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.32 : 28,134.96 = 13,223.84 : x
  2. Step 2: Convert to fraction form
    18,796.32/28,134.96 = 13,223.84/x
  3. Step 3: Cross multiply
    18,796.32x = 28,134.96 × 13,223.84
  4. Step 4: Simplify right side
    18,796.32x = 372,052,209.45
  5. Step 5: Solve for x
    x = 372,052,209.45/18,796.32
  6. Step 6: Final answer
    x = 19,793.89

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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.