Home / 10,623.20-15,934.80-3,227.30

Finding the Fourth Proportional to 10,623.20, 15,934.80 and 3,227.30

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Solution

The fourth proportional to 10,623.20, 15,934.80 and 3,227.30 is: 4,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.20 : 15,934.80 = 3,227.30 : x
  2. Step 2: Convert to fraction form
    10,623.20/15,934.80 = 3,227.30/x
  3. Step 3: Cross multiply
    10,623.20x = 15,934.80 × 3,227.30
  4. Step 4: Simplify right side
    10,623.20x = 51,426,380.04
  5. Step 5: Solve for x
    x = 51,426,380.04/10,623.20
  6. Step 6: Final answer
    x = 4,840.95

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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.