Home / 22,189.79-33,273.20-8,146.20

Finding the Fourth Proportional to 22,189.79, 33,273.20 and 8,146.20

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Solution

The fourth proportional to 22,189.79, 33,273.20 and 8,146.20 is: 12,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.79 : 33,273.20 = 8,146.20 : x
  2. Step 2: Convert to fraction form
    22,189.79/33,273.20 = 8,146.20/x
  3. Step 3: Cross multiply
    22,189.79x = 33,273.20 × 8,146.20
  4. Step 4: Simplify right side
    22,189.79x = 271,050,101.11
  5. Step 5: Solve for x
    x = 271,050,101.11/22,189.79
  6. Step 6: Final answer
    x = 12,215.08

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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.