Home / 20,639.24-30,954.01-6,600.52

Finding the Fourth Proportional to 20,639.24, 30,954.01 and 6,600.52

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Solution

The fourth proportional to 20,639.24, 30,954.01 and 6,600.52 is: 9,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.24 : 30,954.01 = 6,600.52 : x
  2. Step 2: Convert to fraction form
    20,639.24/30,954.01 = 6,600.52/x
  3. Step 3: Cross multiply
    20,639.24x = 30,954.01 × 6,600.52
  4. Step 4: Simplify right side
    20,639.24x = 204,312,562.09
  5. Step 5: Solve for x
    x = 204,312,562.09/20,639.24
  6. Step 6: Final answer
    x = 9,899.23

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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.