Home / 21,040.54-29,036.10-11,609.44

Finding the Fourth Proportional to 21,040.54, 29,036.10 and 11,609.44

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Solution

The fourth proportional to 21,040.54, 29,036.10 and 11,609.44 is: 16,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.54 : 29,036.10 = 11,609.44 : x
  2. Step 2: Convert to fraction form
    21,040.54/29,036.10 = 11,609.44/x
  3. Step 3: Cross multiply
    21,040.54x = 29,036.10 × 11,609.44
  4. Step 4: Simplify right side
    21,040.54x = 337,092,860.78
  5. Step 5: Solve for x
    x = 337,092,860.78/21,040.54
  6. Step 6: Final answer
    x = 16,021.11

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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.