Home / 14,249.96-21,374.93-3,861.71

Finding the Fourth Proportional to 14,249.96, 21,374.93 and 3,861.71

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Solution

The fourth proportional to 14,249.96, 21,374.93 and 3,861.71 is: 5,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.96 : 21,374.93 = 3,861.71 : x
  2. Step 2: Convert to fraction form
    14,249.96/21,374.93 = 3,861.71/x
  3. Step 3: Cross multiply
    14,249.96x = 21,374.93 × 3,861.71
  4. Step 4: Simplify right side
    14,249.96x = 82,543,763.87
  5. Step 5: Solve for x
    x = 82,543,763.87/14,249.96
  6. Step 6: Final answer
    x = 5,792.56

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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.