Home / 18,434.96-27,649.72-9,072.44

Finding the Fourth Proportional to 18,434.96, 27,649.72 and 9,072.44

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Solution

The fourth proportional to 18,434.96, 27,649.72 and 9,072.44 is: 13,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.96 : 27,649.72 = 9,072.44 : x
  2. Step 2: Convert to fraction form
    18,434.96/27,649.72 = 9,072.44/x
  3. Step 3: Cross multiply
    18,434.96x = 27,649.72 × 9,072.44
  4. Step 4: Simplify right side
    18,434.96x = 250,850,425.72
  5. Step 5: Solve for x
    x = 250,850,425.72/18,434.96
  6. Step 6: Final answer
    x = 13,607.32

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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.