Home / 21,098.26-29,114.67-11,666.62

Finding the Fourth Proportional to 21,098.26, 29,114.67 and 11,666.62

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Solution

The fourth proportional to 21,098.26, 29,114.67 and 11,666.62 is: 16,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.26 : 29,114.67 = 11,666.62 : x
  2. Step 2: Convert to fraction form
    21,098.26/29,114.67 = 11,666.62/x
  3. Step 3: Cross multiply
    21,098.26x = 29,114.67 × 11,666.62
  4. Step 4: Simplify right side
    21,098.26x = 339,669,791.32
  5. Step 5: Solve for x
    x = 339,669,791.32/21,098.26
  6. Step 6: Final answer
    x = 16,099.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.