Home / 22,660.58-33,998.37-12,128.26

Finding the Fourth Proportional to 22,660.58, 33,998.37 and 12,128.26

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Solution

The fourth proportional to 22,660.58, 33,998.37 and 12,128.26 is: 18,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.58 : 33,998.37 = 12,128.26 : x
  2. Step 2: Convert to fraction form
    22,660.58/33,998.37 = 12,128.26/x
  3. Step 3: Cross multiply
    22,660.58x = 33,998.37 × 12,128.26
  4. Step 4: Simplify right side
    22,660.58x = 412,340,985.94
  5. Step 5: Solve for x
    x = 412,340,985.94/22,660.58
  6. Step 6: Final answer
    x = 18,196.40

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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.