Home / 14,205.10-21,309.21-3,817.66

Finding the Fourth Proportional to 14,205.10, 21,309.21 and 3,817.66

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Solution

The fourth proportional to 14,205.10, 21,309.21 and 3,817.66 is: 5,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.10 : 21,309.21 = 3,817.66 : x
  2. Step 2: Convert to fraction form
    14,205.10/21,309.21 = 3,817.66/x
  3. Step 3: Cross multiply
    14,205.10x = 21,309.21 × 3,817.66
  4. Step 4: Simplify right side
    14,205.10x = 81,351,318.65
  5. Step 5: Solve for x
    x = 81,351,318.65/14,205.10
  6. Step 6: Final answer
    x = 5,726.91

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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.