Home / 14,220.46-21,330.69-3,832.21

Finding the Fourth Proportional to 14,220.46, 21,330.69 and 3,832.21

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Solution

The fourth proportional to 14,220.46, 21,330.69 and 3,832.21 is: 5,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.46 : 21,330.69 = 3,832.21 : x
  2. Step 2: Convert to fraction form
    14,220.46/21,330.69 = 3,832.21/x
  3. Step 3: Cross multiply
    14,220.46x = 21,330.69 × 3,832.21
  4. Step 4: Simplify right side
    14,220.46x = 81,743,683.52
  5. Step 5: Solve for x
    x = 81,743,683.52/14,220.46
  6. Step 6: Final answer
    x = 5,748.32

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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.