Home / 11,374.11-17,061.15-5,136.31

Finding the Fourth Proportional to 11,374.11, 17,061.15 and 5,136.31

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Solution

The fourth proportional to 11,374.11, 17,061.15 and 5,136.31 is: 7,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.11 : 17,061.15 = 5,136.31 : x
  2. Step 2: Convert to fraction form
    11,374.11/17,061.15 = 5,136.31/x
  3. Step 3: Cross multiply
    11,374.11x = 17,061.15 × 5,136.31
  4. Step 4: Simplify right side
    11,374.11x = 87,631,329.67
  5. Step 5: Solve for x
    x = 87,631,329.67/11,374.11
  6. Step 6: Final answer
    x = 7,704.46

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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.