Home / 15,254.73-21,052.17-8,540.37

Finding the Fourth Proportional to 15,254.73, 21,052.17 and 8,540.37

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Solution

The fourth proportional to 15,254.73, 21,052.17 and 8,540.37 is: 11,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.73 : 21,052.17 = 8,540.37 : x
  2. Step 2: Convert to fraction form
    15,254.73/21,052.17 = 8,540.37/x
  3. Step 3: Cross multiply
    15,254.73x = 21,052.17 × 8,540.37
  4. Step 4: Simplify right side
    15,254.73x = 179,793,321.10
  5. Step 5: Solve for x
    x = 179,793,321.10/15,254.73
  6. Step 6: Final answer
    x = 11,786.07

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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.