Home / 20,640.21-30,950.87-6,597.51

Finding the Fourth Proportional to 20,640.21, 30,950.87 and 6,597.51

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Solution

The fourth proportional to 20,640.21, 30,950.87 and 6,597.51 is: 9,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640.21 : 30,950.87 = 6,597.51 : x
  2. Step 2: Convert to fraction form
    20,640.21/30,950.87 = 6,597.51/x
  3. Step 3: Cross multiply
    20,640.21x = 30,950.87 × 6,597.51
  4. Step 4: Simplify right side
    20,640.21x = 204,198,641.35
  5. Step 5: Solve for x
    x = 204,198,641.35/20,640.21
  6. Step 6: Final answer
    x = 9,893.24

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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.