Home / 19,380.96-26,753.86-13,101.84

Finding the Fourth Proportional to 19,380.96, 26,753.86 and 13,101.84

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Solution

The fourth proportional to 19,380.96, 26,753.86 and 13,101.84 is: 18,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.96 : 26,753.86 = 13,101.84 : x
  2. Step 2: Convert to fraction form
    19,380.96/26,753.86 = 13,101.84/x
  3. Step 3: Cross multiply
    19,380.96x = 26,753.86 × 13,101.84
  4. Step 4: Simplify right side
    19,380.96x = 350,524,793.10
  5. Step 5: Solve for x
    x = 350,524,793.10/19,380.96
  6. Step 6: Final answer
    x = 18,086.04

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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.