Home / 14,318.96-21,481.40-5,553.84

Finding the Fourth Proportional to 14,318.96, 21,481.40 and 5,553.84

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Solution

The fourth proportional to 14,318.96, 21,481.40 and 5,553.84 is: 8,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.96 : 21,481.40 = 5,553.84 : x
  2. Step 2: Convert to fraction form
    14,318.96/21,481.40 = 5,553.84/x
  3. Step 3: Cross multiply
    14,318.96x = 21,481.40 × 5,553.84
  4. Step 4: Simplify right side
    14,318.96x = 119,304,258.58
  5. Step 5: Solve for x
    x = 119,304,258.58/14,318.96
  6. Step 6: Final answer
    x = 8,331.91

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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.