Home / 14,136.85-21,203.79-5,817.88

Finding the Fourth Proportional to 14,136.85, 21,203.79 and 5,817.88

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Solution

The fourth proportional to 14,136.85, 21,203.79 and 5,817.88 is: 8,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.85 : 21,203.79 = 5,817.88 : x
  2. Step 2: Convert to fraction form
    14,136.85/21,203.79 = 5,817.88/x
  3. Step 3: Cross multiply
    14,136.85x = 21,203.79 × 5,817.88
  4. Step 4: Simplify right side
    14,136.85x = 123,361,105.77
  5. Step 5: Solve for x
    x = 123,361,105.77/14,136.85
  6. Step 6: Final answer
    x = 8,726.21

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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.