Home / 13,965.28-20,940.24-6,164.96

Finding the Fourth Proportional to 13,965.28, 20,940.24 and 6,164.96

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Solution

The fourth proportional to 13,965.28, 20,940.24 and 6,164.96 is: 9,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.28 : 20,940.24 = 6,164.96 : x
  2. Step 2: Convert to fraction form
    13,965.28/20,940.24 = 6,164.96/x
  3. Step 3: Cross multiply
    13,965.28x = 20,940.24 × 6,164.96
  4. Step 4: Simplify right side
    13,965.28x = 129,095,741.99
  5. Step 5: Solve for x
    x = 129,095,741.99/13,965.28
  6. Step 6: Final answer
    x = 9,244.05

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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.