Home / 21,023.88-29,012.90-11,592.38

Finding the Fourth Proportional to 21,023.88, 29,012.90 and 11,592.38

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Solution

The fourth proportional to 21,023.88, 29,012.90 and 11,592.38 is: 15,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.88 : 29,012.90 = 11,592.38 : x
  2. Step 2: Convert to fraction form
    21,023.88/29,012.90 = 11,592.38/x
  3. Step 3: Cross multiply
    21,023.88x = 29,012.90 × 11,592.38
  4. Step 4: Simplify right side
    21,023.88x = 336,328,358.68
  5. Step 5: Solve for x
    x = 336,328,358.68/21,023.88
  6. Step 6: Final answer
    x = 15,997.44

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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.