Home / 22,106.30-33,115.03-10,979.33

Finding the Fourth Proportional to 22,106.30, 33,115.03 and 10,979.33

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Solution

The fourth proportional to 22,106.30, 33,115.03 and 10,979.33 is: 16,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.30 : 33,115.03 = 10,979.33 : x
  2. Step 2: Convert to fraction form
    22,106.30/33,115.03 = 10,979.33/x
  3. Step 3: Cross multiply
    22,106.30x = 33,115.03 × 10,979.33
  4. Step 4: Simplify right side
    22,106.30x = 363,580,649.31
  5. Step 5: Solve for x
    x = 363,580,649.31/22,106.30
  6. Step 6: Final answer
    x = 16,446.93

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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.