Home / 14,282.21-19,716.60-8,979.95

Finding the Fourth Proportional to 14,282.21, 19,716.60 and 8,979.95

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Solution

The fourth proportional to 14,282.21, 19,716.60 and 8,979.95 is: 12,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.21 : 19,716.60 = 8,979.95 : x
  2. Step 2: Convert to fraction form
    14,282.21/19,716.60 = 8,979.95/x
  3. Step 3: Cross multiply
    14,282.21x = 19,716.60 × 8,979.95
  4. Step 4: Simplify right side
    14,282.21x = 177,054,082.17
  5. Step 5: Solve for x
    x = 177,054,082.17/14,282.21
  6. Step 6: Final answer
    x = 12,396.83

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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.