Home / 14,836.91-20,474.28-8,122.82

Finding the Fourth Proportional to 14,836.91, 20,474.28 and 8,122.82

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Solution

The fourth proportional to 14,836.91, 20,474.28 and 8,122.82 is: 11,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.91 : 20,474.28 = 8,122.82 : x
  2. Step 2: Convert to fraction form
    14,836.91/20,474.28 = 8,122.82/x
  3. Step 3: Cross multiply
    14,836.91x = 20,474.28 × 8,122.82
  4. Step 4: Simplify right side
    14,836.91x = 166,308,850.46
  5. Step 5: Solve for x
    x = 166,308,850.46/14,836.91
  6. Step 6: Final answer
    x = 11,209.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.