Home / 18,266.02-27,378.97-7,170.64

Finding the Fourth Proportional to 18,266.02, 27,378.97 and 7,170.64

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Solution

The fourth proportional to 18,266.02, 27,378.97 and 7,170.64 is: 10,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.02 : 27,378.97 = 7,170.64 : x
  2. Step 2: Convert to fraction form
    18,266.02/27,378.97 = 7,170.64/x
  3. Step 3: Cross multiply
    18,266.02x = 27,378.97 × 7,170.64
  4. Step 4: Simplify right side
    18,266.02x = 196,324,737.44
  5. Step 5: Solve for x
    x = 196,324,737.44/18,266.02
  6. Step 6: Final answer
    x = 10,748.09

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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.