Home / 21,046.28-29,048.82-12,098.97

Finding the Fourth Proportional to 21,046.28, 29,048.82 and 12,098.97

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Solution

The fourth proportional to 21,046.28, 29,048.82 and 12,098.97 is: 16,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.28 : 29,048.82 = 12,098.97 : x
  2. Step 2: Convert to fraction form
    21,046.28/29,048.82 = 12,098.97/x
  3. Step 3: Cross multiply
    21,046.28x = 29,048.82 × 12,098.97
  4. Step 4: Simplify right side
    21,046.28x = 351,460,801.72
  5. Step 5: Solve for x
    x = 351,460,801.72/21,046.28
  6. Step 6: Final answer
    x = 16,699.43

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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.