Home / 21,211.48-29,174.46-17,010.52

Finding the Fourth Proportional to 21,211.48, 29,174.46 and 17,010.52

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Solution

The fourth proportional to 21,211.48, 29,174.46 and 17,010.52 is: 23,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,211.48 : 29,174.46 = 17,010.52 : x
  2. Step 2: Convert to fraction form
    21,211.48/29,174.46 = 17,010.52/x
  3. Step 3: Cross multiply
    21,211.48x = 29,174.46 × 17,010.52
  4. Step 4: Simplify right side
    21,211.48x = 496,272,735.32
  5. Step 5: Solve for x
    x = 496,272,735.32/21,211.48
  6. Step 6: Final answer
    x = 23,396.42

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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.