Home / 14,135.28-21,203.44-3,747

Finding the Fourth Proportional to 14,135.28, 21,203.44 and 3,747

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Solution

The fourth proportional to 14,135.28, 21,203.44 and 3,747 is: 5,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.28 : 21,203.44 = 3,747 : x
  2. Step 2: Convert to fraction form
    14,135.28/21,203.44 = 3,747/x
  3. Step 3: Cross multiply
    14,135.28x = 21,203.44 × 3,747
  4. Step 4: Simplify right side
    14,135.28x = 79,449,289.68
  5. Step 5: Solve for x
    x = 79,449,289.68/14,135.28
  6. Step 6: Final answer
    x = 5,620.64

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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.