Home / 14,240.85-21,361.61-4,380.22

Finding the Fourth Proportional to 14,240.85, 21,361.61 and 4,380.22

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Solution

The fourth proportional to 14,240.85, 21,361.61 and 4,380.22 is: 6,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.85 : 21,361.61 = 4,380.22 : x
  2. Step 2: Convert to fraction form
    14,240.85/21,361.61 = 4,380.22/x
  3. Step 3: Cross multiply
    14,240.85x = 21,361.61 × 4,380.22
  4. Step 4: Simplify right side
    14,240.85x = 93,568,508.90
  5. Step 5: Solve for x
    x = 93,568,508.90/14,240.85
  6. Step 6: Final answer
    x = 6,570.43

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Double scale
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Similar ratio
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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.