Home / 20,496.21-30,748.63-6,644.13

Finding the Fourth Proportional to 20,496.21, 30,748.63 and 6,644.13

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Solution

The fourth proportional to 20,496.21, 30,748.63 and 6,644.13 is: 9,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.21 : 30,748.63 = 6,644.13 : x
  2. Step 2: Convert to fraction form
    20,496.21/30,748.63 = 6,644.13/x
  3. Step 3: Cross multiply
    20,496.21x = 30,748.63 × 6,644.13
  4. Step 4: Simplify right side
    20,496.21x = 204,297,895.04
  5. Step 5: Solve for x
    x = 204,297,895.04/20,496.21
  6. Step 6: Final answer
    x = 9,967.59

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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.