Home / 14,318.96-21,474.12-8,474

Finding the Fourth Proportional to 14,318.96, 21,474.12 and 8,474

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Solution

The fourth proportional to 14,318.96, 21,474.12 and 8,474 is: 12,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.96 : 21,474.12 = 8,474 : x
  2. Step 2: Convert to fraction form
    14,318.96/21,474.12 = 8,474/x
  3. Step 3: Cross multiply
    14,318.96x = 21,474.12 × 8,474
  4. Step 4: Simplify right side
    14,318.96x = 181,971,692.88
  5. Step 5: Solve for x
    x = 181,971,692.88/14,318.96
  6. Step 6: Final answer
    x = 12,708.44

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Why These Related Problems?

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