Home / 22,171.37-33,262.81-11,077.61

Finding the Fourth Proportional to 22,171.37, 33,262.81 and 11,077.61

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Solution

The fourth proportional to 22,171.37, 33,262.81 and 11,077.61 is: 16,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.37 : 33,262.81 = 11,077.61 : x
  2. Step 2: Convert to fraction form
    22,171.37/33,262.81 = 11,077.61/x
  3. Step 3: Cross multiply
    22,171.37x = 33,262.81 × 11,077.61
  4. Step 4: Simplify right side
    22,171.37x = 368,472,242.68
  5. Step 5: Solve for x
    x = 368,472,242.68/22,171.37
  6. Step 6: Final answer
    x = 16,619.29

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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.