Home / 13,944.36-20,916.30-3,555.96

Finding the Fourth Proportional to 13,944.36, 20,916.30 and 3,555.96

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Solution

The fourth proportional to 13,944.36, 20,916.30 and 3,555.96 is: 5,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.36 : 20,916.30 = 3,555.96 : x
  2. Step 2: Convert to fraction form
    13,944.36/20,916.30 = 3,555.96/x
  3. Step 3: Cross multiply
    13,944.36x = 20,916.30 × 3,555.96
  4. Step 4: Simplify right side
    13,944.36x = 74,377,526.15
  5. Step 5: Solve for x
    x = 74,377,526.15/13,944.36
  6. Step 6: Final answer
    x = 5,333.88

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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.