Home / 22,145.87-33,211.58-7,350.81

Finding the Fourth Proportional to 22,145.87, 33,211.58 and 7,350.81

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Solution

The fourth proportional to 22,145.87, 33,211.58 and 7,350.81 is: 11,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.87 : 33,211.58 = 7,350.81 : x
  2. Step 2: Convert to fraction form
    22,145.87/33,211.58 = 7,350.81/x
  3. Step 3: Cross multiply
    22,145.87x = 33,211.58 × 7,350.81
  4. Step 4: Simplify right side
    22,145.87x = 244,131,977.63
  5. Step 5: Solve for x
    x = 244,131,977.63/22,145.87
  6. Step 6: Final answer
    x = 11,023.82

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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.