Home / 21,786.52-30,058.54-12,353.26

Finding the Fourth Proportional to 21,786.52, 30,058.54 and 12,353.26

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Solution

The fourth proportional to 21,786.52, 30,058.54 and 12,353.26 is: 17,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.52 : 30,058.54 = 12,353.26 : x
  2. Step 2: Convert to fraction form
    21,786.52/30,058.54 = 12,353.26/x
  3. Step 3: Cross multiply
    21,786.52x = 30,058.54 × 12,353.26
  4. Step 4: Simplify right side
    21,786.52x = 371,320,959.84
  5. Step 5: Solve for x
    x = 371,320,959.84/21,786.52
  6. Step 6: Final answer
    x = 17,043.61

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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.