Home / 10,089.73-15,136.21-3,849.49

Finding the Fourth Proportional to 10,089.73, 15,136.21 and 3,849.49

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Solution

The fourth proportional to 10,089.73, 15,136.21 and 3,849.49 is: 5,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.73 : 15,136.21 = 3,849.49 : x
  2. Step 2: Convert to fraction form
    10,089.73/15,136.21 = 3,849.49/x
  3. Step 3: Cross multiply
    10,089.73x = 15,136.21 × 3,849.49
  4. Step 4: Simplify right side
    10,089.73x = 58,266,613.35
  5. Step 5: Solve for x
    x = 58,266,613.35/10,089.73
  6. Step 6: Final answer
    x = 5,774.85

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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.