Home / 13,932.84-20,890.62-6,534.12

Finding the Fourth Proportional to 13,932.84, 20,890.62 and 6,534.12

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Solution

The fourth proportional to 13,932.84, 20,890.62 and 6,534.12 is: 9,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.84 : 20,890.62 = 6,534.12 : x
  2. Step 2: Convert to fraction form
    13,932.84/20,890.62 = 6,534.12/x
  3. Step 3: Cross multiply
    13,932.84x = 20,890.62 × 6,534.12
  4. Step 4: Simplify right side
    13,932.84x = 136,501,817.95
  5. Step 5: Solve for x
    x = 136,501,817.95/13,932.84
  6. Step 6: Final answer
    x = 9,797.13

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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.