Home / 22,180.05-33,268.17-8,139.51

Finding the Fourth Proportional to 22,180.05, 33,268.17 and 8,139.51

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Solution

The fourth proportional to 22,180.05, 33,268.17 and 8,139.51 is: 12,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.05 : 33,268.17 = 8,139.51 : x
  2. Step 2: Convert to fraction form
    22,180.05/33,268.17 = 8,139.51/x
  3. Step 3: Cross multiply
    22,180.05x = 33,268.17 × 8,139.51
  4. Step 4: Simplify right side
    22,180.05x = 270,786,602.40
  5. Step 5: Solve for x
    x = 270,786,602.40/22,180.05
  6. Step 6: Final answer
    x = 12,208.57

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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.