Home / 11,136.10-16,576.90-10,970

Finding the Fourth Proportional to 11,136.10, 16,576.90 and 10,970

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Solution

The fourth proportional to 11,136.10, 16,576.90 and 10,970 is: 16,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.10 : 16,576.90 = 10,970 : x
  2. Step 2: Convert to fraction form
    11,136.10/16,576.90 = 10,970/x
  3. Step 3: Cross multiply
    11,136.10x = 16,576.90 × 10,970
  4. Step 4: Simplify right side
    11,136.10x = 181,848,593.00
  5. Step 5: Solve for x
    x = 181,848,593.00/11,136.10
  6. Step 6: Final answer
    x = 16,329.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.