Home / 21,044.98-29,040.42-12,546.46

Finding the Fourth Proportional to 21,044.98, 29,040.42 and 12,546.46

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Solution

The fourth proportional to 21,044.98, 29,040.42 and 12,546.46 is: 17,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.98 : 29,040.42 = 12,546.46 : x
  2. Step 2: Convert to fraction form
    21,044.98/29,040.42 = 12,546.46/x
  3. Step 3: Cross multiply
    21,044.98x = 29,040.42 × 12,546.46
  4. Step 4: Simplify right side
    21,044.98x = 364,354,467.91
  5. Step 5: Solve for x
    x = 364,354,467.91/21,044.98
  6. Step 6: Final answer
    x = 17,313.13

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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.