Home / 21,669.02-29,906.92-12,592.97

Finding the Fourth Proportional to 21,669.02, 29,906.92 and 12,592.97

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Solution

The fourth proportional to 21,669.02, 29,906.92 and 12,592.97 is: 17,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.02 : 29,906.92 = 12,592.97 : x
  2. Step 2: Convert to fraction form
    21,669.02/29,906.92 = 12,592.97/x
  3. Step 3: Cross multiply
    21,669.02x = 29,906.92 × 12,592.97
  4. Step 4: Simplify right side
    21,669.02x = 376,616,924.71
  5. Step 5: Solve for x
    x = 376,616,924.71/21,669.02
  6. Step 6: Final answer
    x = 17,380.43

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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.