Home / 14,184.57-21,270.33-4,321.83

Finding the Fourth Proportional to 14,184.57, 21,270.33 and 4,321.83

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Solution

The fourth proportional to 14,184.57, 21,270.33 and 4,321.83 is: 6,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.57 : 21,270.33 = 4,321.83 : x
  2. Step 2: Convert to fraction form
    14,184.57/21,270.33 = 4,321.83/x
  3. Step 3: Cross multiply
    14,184.57x = 21,270.33 × 4,321.83
  4. Step 4: Simplify right side
    14,184.57x = 91,926,750.30
  5. Step 5: Solve for x
    x = 91,926,750.30/14,184.57
  6. Step 6: Final answer
    x = 6,480.76

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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.