Home / 21,452.13-29,604.11-11,892.17

Finding the Fourth Proportional to 21,452.13, 29,604.11 and 11,892.17

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Solution

The fourth proportional to 21,452.13, 29,604.11 and 11,892.17 is: 16,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.13 : 29,604.11 = 11,892.17 : x
  2. Step 2: Convert to fraction form
    21,452.13/29,604.11 = 11,892.17/x
  3. Step 3: Cross multiply
    21,452.13x = 29,604.11 × 11,892.17
  4. Step 4: Simplify right side
    21,452.13x = 352,057,108.82
  5. Step 5: Solve for x
    x = 352,057,108.82/21,452.13
  6. Step 6: Final answer
    x = 16,411.29

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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.