Home / 15,120.82-22,632.70-8,083.23

Finding the Fourth Proportional to 15,120.82, 22,632.70 and 8,083.23

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Solution

The fourth proportional to 15,120.82, 22,632.70 and 8,083.23 is: 12,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.82 : 22,632.70 = 8,083.23 : x
  2. Step 2: Convert to fraction form
    15,120.82/22,632.70 = 8,083.23/x
  3. Step 3: Cross multiply
    15,120.82x = 22,632.70 × 8,083.23
  4. Step 4: Simplify right side
    15,120.82x = 182,945,279.20
  5. Step 5: Solve for x
    x = 182,945,279.20/15,120.82
  6. Step 6: Final answer
    x = 12,098.90

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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.