Home / 14,080.21-21,115.45-6,679.64

Finding the Fourth Proportional to 14,080.21, 21,115.45 and 6,679.64

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Solution

The fourth proportional to 14,080.21, 21,115.45 and 6,679.64 is: 10,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.21 : 21,115.45 = 6,679.64 : x
  2. Step 2: Convert to fraction form
    14,080.21/21,115.45 = 6,679.64/x
  3. Step 3: Cross multiply
    14,080.21x = 21,115.45 × 6,679.64
  4. Step 4: Simplify right side
    14,080.21x = 141,043,571.04
  5. Step 5: Solve for x
    x = 141,043,571.04/14,080.21
  6. Step 6: Final answer
    x = 10,017.15

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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.