Home / 13,839.19-20,764.87-7,263.86

Finding the Fourth Proportional to 13,839.19, 20,764.87 and 7,263.86

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Solution

The fourth proportional to 13,839.19, 20,764.87 and 7,263.86 is: 10,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.19 : 20,764.87 = 7,263.86 : x
  2. Step 2: Convert to fraction form
    13,839.19/20,764.87 = 7,263.86/x
  3. Step 3: Cross multiply
    13,839.19x = 20,764.87 × 7,263.86
  4. Step 4: Simplify right side
    13,839.19x = 150,832,986.61
  5. Step 5: Solve for x
    x = 150,832,986.61/13,839.19
  6. Step 6: Final answer
    x = 10,898.98

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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.