Home / 12,434.21-18,617.14-11,245.03

Finding the Fourth Proportional to 12,434.21, 18,617.14 and 11,245.03

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Solution

The fourth proportional to 12,434.21, 18,617.14 and 11,245.03 is: 16,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.21 : 18,617.14 = 11,245.03 : x
  2. Step 2: Convert to fraction form
    12,434.21/18,617.14 = 11,245.03/x
  3. Step 3: Cross multiply
    12,434.21x = 18,617.14 × 11,245.03
  4. Step 4: Simplify right side
    12,434.21x = 209,350,265.33
  5. Step 5: Solve for x
    x = 209,350,265.33/12,434.21
  6. Step 6: Final answer
    x = 16,836.64

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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.