Home / 21,045.20-29,042.97-11,614.37

Finding the Fourth Proportional to 21,045.20, 29,042.97 and 11,614.37

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Solution

The fourth proportional to 21,045.20, 29,042.97 and 11,614.37 is: 16,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.20 : 29,042.97 = 11,614.37 : x
  2. Step 2: Convert to fraction form
    21,045.20/29,042.97 = 11,614.37/x
  3. Step 3: Cross multiply
    21,045.20x = 29,042.97 × 11,614.37
  4. Step 4: Simplify right side
    21,045.20x = 337,315,654.26
  5. Step 5: Solve for x
    x = 337,315,654.26/21,045.20
  6. Step 6: Final answer
    x = 16,028.16

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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.