Home / 22,015.90-33,022.69-7,222.87

Finding the Fourth Proportional to 22,015.90, 33,022.69 and 7,222.87

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Solution

The fourth proportional to 22,015.90, 33,022.69 and 7,222.87 is: 10,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.90 : 33,022.69 = 7,222.87 : x
  2. Step 2: Convert to fraction form
    22,015.90/33,022.69 = 7,222.87/x
  3. Step 3: Cross multiply
    22,015.90x = 33,022.69 × 7,222.87
  4. Step 4: Simplify right side
    22,015.90x = 238,518,596.92
  5. Step 5: Solve for x
    x = 238,518,596.92/22,015.90
  6. Step 6: Final answer
    x = 10,833.92

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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.