Home / 13,821.91-20,732.85-4,463.30

Finding the Fourth Proportional to 13,821.91, 20,732.85 and 4,463.30

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Solution

The fourth proportional to 13,821.91, 20,732.85 and 4,463.30 is: 6,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.91 : 20,732.85 = 4,463.30 : x
  2. Step 2: Convert to fraction form
    13,821.91/20,732.85 = 4,463.30/x
  3. Step 3: Cross multiply
    13,821.91x = 20,732.85 × 4,463.30
  4. Step 4: Simplify right side
    13,821.91x = 92,536,972.06
  5. Step 5: Solve for x
    x = 92,536,972.06/13,821.91
  6. Step 6: Final answer
    x = 6,694.95

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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.