Home / 21,519.23-32,269.73-8,362.61

Finding the Fourth Proportional to 21,519.23, 32,269.73 and 8,362.61

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Solution

The fourth proportional to 21,519.23, 32,269.73 and 8,362.61 is: 12,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.23 : 32,269.73 = 8,362.61 : x
  2. Step 2: Convert to fraction form
    21,519.23/32,269.73 = 8,362.61/x
  3. Step 3: Cross multiply
    21,519.23x = 32,269.73 × 8,362.61
  4. Step 4: Simplify right side
    21,519.23x = 269,858,963.63
  5. Step 5: Solve for x
    x = 269,858,963.63/21,519.23
  6. Step 6: Final answer
    x = 12,540.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.