Home / 13,839.28-20,764.96-7,263.84

Finding the Fourth Proportional to 13,839.28, 20,764.96 and 7,263.84

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Solution

The fourth proportional to 13,839.28, 20,764.96 and 7,263.84 is: 10,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.28 : 20,764.96 = 7,263.84 : x
  2. Step 2: Convert to fraction form
    13,839.28/20,764.96 = 7,263.84/x
  3. Step 3: Cross multiply
    13,839.28x = 20,764.96 × 7,263.84
  4. Step 4: Simplify right side
    13,839.28x = 150,833,347.05
  5. Step 5: Solve for x
    x = 150,833,347.05/13,839.28
  6. Step 6: Final answer
    x = 10,898.93

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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.