Home / 14,136.76-21,205.56-3,748.52

Finding the Fourth Proportional to 14,136.76, 21,205.56 and 3,748.52

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Solution

The fourth proportional to 14,136.76, 21,205.56 and 3,748.52 is: 5,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.76 : 21,205.56 = 3,748.52 : x
  2. Step 2: Convert to fraction form
    14,136.76/21,205.56 = 3,748.52/x
  3. Step 3: Cross multiply
    14,136.76x = 21,205.56 × 3,748.52
  4. Step 4: Simplify right side
    14,136.76x = 79,489,465.77
  5. Step 5: Solve for x
    x = 79,489,465.77/14,136.76
  6. Step 6: Final answer
    x = 5,622.89

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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.