Home / 11,136.78-16,701.33-3,739.47

Finding the Fourth Proportional to 11,136.78, 16,701.33 and 3,739.47

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Solution

The fourth proportional to 11,136.78, 16,701.33 and 3,739.47 is: 5,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.78 : 16,701.33 = 3,739.47 : x
  2. Step 2: Convert to fraction form
    11,136.78/16,701.33 = 3,739.47/x
  3. Step 3: Cross multiply
    11,136.78x = 16,701.33 × 3,739.47
  4. Step 4: Simplify right side
    11,136.78x = 62,454,122.50
  5. Step 5: Solve for x
    x = 62,454,122.50/11,136.78
  6. Step 6: Final answer
    x = 5,607.92

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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.