Home / 14,203.10-21,306.22-3,815.66

Finding the Fourth Proportional to 14,203.10, 21,306.22 and 3,815.66

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Solution

The fourth proportional to 14,203.10, 21,306.22 and 3,815.66 is: 5,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.10 : 21,306.22 = 3,815.66 : x
  2. Step 2: Convert to fraction form
    14,203.10/21,306.22 = 3,815.66/x
  3. Step 3: Cross multiply
    14,203.10x = 21,306.22 × 3,815.66
  4. Step 4: Simplify right side
    14,203.10x = 81,297,291.41
  5. Step 5: Solve for x
    x = 81,297,291.41/14,203.10
  6. Step 6: Final answer
    x = 5,723.91

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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.