Home / 22,007.40-33,015.96-10,920.12

Finding the Fourth Proportional to 22,007.40, 33,015.96 and 10,920.12

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Solution

The fourth proportional to 22,007.40, 33,015.96 and 10,920.12 is: 16,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.40 : 33,015.96 = 10,920.12 : x
  2. Step 2: Convert to fraction form
    22,007.40/33,015.96 = 10,920.12/x
  3. Step 3: Cross multiply
    22,007.40x = 33,015.96 × 10,920.12
  4. Step 4: Simplify right side
    22,007.40x = 360,538,245.12
  5. Step 5: Solve for x
    x = 360,538,245.12/22,007.40
  6. Step 6: Final answer
    x = 16,382.59

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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.