Home / 14,136.25-21,204.78-3,748

Finding the Fourth Proportional to 14,136.25, 21,204.78 and 3,748

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Solution

The fourth proportional to 14,136.25, 21,204.78 and 3,748 is: 5,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.25 : 21,204.78 = 3,748 : x
  2. Step 2: Convert to fraction form
    14,136.25/21,204.78 = 3,748/x
  3. Step 3: Cross multiply
    14,136.25x = 21,204.78 × 3,748
  4. Step 4: Simplify right side
    14,136.25x = 79,475,515.44
  5. Step 5: Solve for x
    x = 79,475,515.44/14,136.25
  6. Step 6: Final answer
    x = 5,622.11

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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.