Home / 21,044.45-31,563.23-8,563.97

Finding the Fourth Proportional to 21,044.45, 31,563.23 and 8,563.97

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Solution

The fourth proportional to 21,044.45, 31,563.23 and 8,563.97 is: 12,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.45 : 31,563.23 = 8,563.97 : x
  2. Step 2: Convert to fraction form
    21,044.45/31,563.23 = 8,563.97/x
  3. Step 3: Cross multiply
    21,044.45x = 31,563.23 × 8,563.97
  4. Step 4: Simplify right side
    21,044.45x = 270,306,554.82
  5. Step 5: Solve for x
    x = 270,306,554.82/21,044.45
  6. Step 6: Final answer
    x = 12,844.55

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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.