Home / 13,935.77-20,901.03-3,940.44

Finding the Fourth Proportional to 13,935.77, 20,901.03 and 3,940.44

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Solution

The fourth proportional to 13,935.77, 20,901.03 and 3,940.44 is: 5,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.77 : 20,901.03 = 3,940.44 : x
  2. Step 2: Convert to fraction form
    13,935.77/20,901.03 = 3,940.44/x
  3. Step 3: Cross multiply
    13,935.77x = 20,901.03 × 3,940.44
  4. Step 4: Simplify right side
    13,935.77x = 82,359,234.95
  5. Step 5: Solve for x
    x = 82,359,234.95/13,935.77
  6. Step 6: Final answer
    x = 5,909.92

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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.