Home / 21,092.34-29,106.18-11,660.34

Finding the Fourth Proportional to 21,092.34, 29,106.18 and 11,660.34

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Solution

The fourth proportional to 21,092.34, 29,106.18 and 11,660.34 is: 16,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.34 : 29,106.18 = 11,660.34 : x
  2. Step 2: Convert to fraction form
    21,092.34/29,106.18 = 11,660.34/x
  3. Step 3: Cross multiply
    21,092.34x = 29,106.18 × 11,660.34
  4. Step 4: Simplify right side
    21,092.34x = 339,387,954.90
  5. Step 5: Solve for x
    x = 339,387,954.90/21,092.34
  6. Step 6: Final answer
    x = 16,090.58

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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.