Home / 22,012.45-33,020.70-8,862.10

Finding the Fourth Proportional to 22,012.45, 33,020.70 and 8,862.10

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Solution

The fourth proportional to 22,012.45, 33,020.70 and 8,862.10 is: 13,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.45 : 33,020.70 = 8,862.10 : x
  2. Step 2: Convert to fraction form
    22,012.45/33,020.70 = 8,862.10/x
  3. Step 3: Cross multiply
    22,012.45x = 33,020.70 × 8,862.10
  4. Step 4: Simplify right side
    22,012.45x = 292,632,745.47
  5. Step 5: Solve for x
    x = 292,632,745.47/22,012.45
  6. Step 6: Final answer
    x = 13,293.97

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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.