Home / 13,932.32-20,910.15-13,056.58

Finding the Fourth Proportional to 13,932.32, 20,910.15 and 13,056.58

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Solution

The fourth proportional to 13,932.32, 20,910.15 and 13,056.58 is: 19,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.32 : 20,910.15 = 13,056.58 : x
  2. Step 2: Convert to fraction form
    13,932.32/20,910.15 = 13,056.58/x
  3. Step 3: Cross multiply
    13,932.32x = 20,910.15 × 13,056.58
  4. Step 4: Simplify right side
    13,932.32x = 273,015,046.29
  5. Step 5: Solve for x
    x = 273,015,046.29/13,932.32
  6. Step 6: Final answer
    x = 19,595.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.