Home / 14,469.20-21,703.80-4,080.95

Finding the Fourth Proportional to 14,469.20, 21,703.80 and 4,080.95

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Solution

The fourth proportional to 14,469.20, 21,703.80 and 4,080.95 is: 6,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.20 : 21,703.80 = 4,080.95 : x
  2. Step 2: Convert to fraction form
    14,469.20/21,703.80 = 4,080.95/x
  3. Step 3: Cross multiply
    14,469.20x = 21,703.80 × 4,080.95
  4. Step 4: Simplify right side
    14,469.20x = 88,572,122.61
  5. Step 5: Solve for x
    x = 88,572,122.61/14,469.20
  6. Step 6: Final answer
    x = 6,121.43

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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.