Home / 14,190.96-21,286.39-4,330.21

Finding the Fourth Proportional to 14,190.96, 21,286.39 and 4,330.21

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Solution

The fourth proportional to 14,190.96, 21,286.39 and 4,330.21 is: 6,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.96 : 21,286.39 = 4,330.21 : x
  2. Step 2: Convert to fraction form
    14,190.96/21,286.39 = 4,330.21/x
  3. Step 3: Cross multiply
    14,190.96x = 21,286.39 × 4,330.21
  4. Step 4: Simplify right side
    14,190.96x = 92,174,538.84
  5. Step 5: Solve for x
    x = 92,174,538.84/14,190.96
  6. Step 6: Final answer
    x = 6,495.30

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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.