Home / 14,190.96-21,286.44-4,330.30

Finding the Fourth Proportional to 14,190.96, 21,286.44 and 4,330.30

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Solution

The fourth proportional to 14,190.96, 21,286.44 and 4,330.30 is: 6,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.96 : 21,286.44 = 4,330.30 : x
  2. Step 2: Convert to fraction form
    14,190.96/21,286.44 = 4,330.30/x
  3. Step 3: Cross multiply
    14,190.96x = 21,286.44 × 4,330.30
  4. Step 4: Simplify right side
    14,190.96x = 92,176,671.13
  5. Step 5: Solve for x
    x = 92,176,671.13/14,190.96
  6. Step 6: Final answer
    x = 6,495.45

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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.