Home / 22,012.20-33,018.30-18,124.20

Finding the Fourth Proportional to 22,012.20, 33,018.30 and 18,124.20

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Solution

The fourth proportional to 22,012.20, 33,018.30 and 18,124.20 is: 27,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.20 : 33,018.30 = 18,124.20 : x
  2. Step 2: Convert to fraction form
    22,012.20/33,018.30 = 18,124.20/x
  3. Step 3: Cross multiply
    22,012.20x = 33,018.30 × 18,124.20
  4. Step 4: Simplify right side
    22,012.20x = 598,430,272.86
  5. Step 5: Solve for x
    x = 598,430,272.86/22,012.20
  6. Step 6: Final answer
    x = 27,186.30

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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.