Home / 14,160.96-21,241.71-4,299.75

Finding the Fourth Proportional to 14,160.96, 21,241.71 and 4,299.75

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Solution

The fourth proportional to 14,160.96, 21,241.71 and 4,299.75 is: 6,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.96 : 21,241.71 = 4,299.75 : x
  2. Step 2: Convert to fraction form
    14,160.96/21,241.71 = 4,299.75/x
  3. Step 3: Cross multiply
    14,160.96x = 21,241.71 × 4,299.75
  4. Step 4: Simplify right side
    14,160.96x = 91,334,042.57
  5. Step 5: Solve for x
    x = 91,334,042.57/14,160.96
  6. Step 6: Final answer
    x = 6,449.71

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1.5x scale

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.