Home / 14,390.76-21,584.58-3,861.84

Finding the Fourth Proportional to 14,390.76, 21,584.58 and 3,861.84

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Solution

The fourth proportional to 14,390.76, 21,584.58 and 3,861.84 is: 5,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.76 : 21,584.58 = 3,861.84 : x
  2. Step 2: Convert to fraction form
    14,390.76/21,584.58 = 3,861.84/x
  3. Step 3: Cross multiply
    14,390.76x = 21,584.58 × 3,861.84
  4. Step 4: Simplify right side
    14,390.76x = 83,356,194.43
  5. Step 5: Solve for x
    x = 83,356,194.43/14,390.76
  6. Step 6: Final answer
    x = 5,792.34

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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.