Home / 13,388.70-20,084.82-4,954.06

Finding the Fourth Proportional to 13,388.70, 20,084.82 and 4,954.06

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Solution

The fourth proportional to 13,388.70, 20,084.82 and 4,954.06 is: 7,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.70 : 20,084.82 = 4,954.06 : x
  2. Step 2: Convert to fraction form
    13,388.70/20,084.82 = 4,954.06/x
  3. Step 3: Cross multiply
    13,388.70x = 20,084.82 × 4,954.06
  4. Step 4: Simplify right side
    13,388.70x = 99,501,353.16
  5. Step 5: Solve for x
    x = 99,501,353.16/13,388.70
  6. Step 6: Final answer
    x = 7,431.74

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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.