Home / 14,136.40-21,204.60-3,748.15

Finding the Fourth Proportional to 14,136.40, 21,204.60 and 3,748.15

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Solution

The fourth proportional to 14,136.40, 21,204.60 and 3,748.15 is: 5,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.40 : 21,204.60 = 3,748.15 : x
  2. Step 2: Convert to fraction form
    14,136.40/21,204.60 = 3,748.15/x
  3. Step 3: Cross multiply
    14,136.40x = 21,204.60 × 3,748.15
  4. Step 4: Simplify right side
    14,136.40x = 79,478,021.49
  5. Step 5: Solve for x
    x = 79,478,021.49/14,136.40
  6. Step 6: Final answer
    x = 5,622.23

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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.