Home / 13,944.07-20,916.11-3,555.82

Finding the Fourth Proportional to 13,944.07, 20,916.11 and 3,555.82

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Solution

The fourth proportional to 13,944.07, 20,916.11 and 3,555.82 is: 5,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.07 : 20,916.11 = 3,555.82 : x
  2. Step 2: Convert to fraction form
    13,944.07/20,916.11 = 3,555.82/x
  3. Step 3: Cross multiply
    13,944.07x = 20,916.11 × 3,555.82
  4. Step 4: Simplify right side
    13,944.07x = 74,373,922.26
  5. Step 5: Solve for x
    x = 74,373,922.26/13,944.07
  6. Step 6: Final answer
    x = 5,333.73

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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.