Home / 18,408.08-27,616.88-5,261.44

Finding the Fourth Proportional to 18,408.08, 27,616.88 and 5,261.44

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Solution

The fourth proportional to 18,408.08, 27,616.88 and 5,261.44 is: 7,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.08 : 27,616.88 = 5,261.44 : x
  2. Step 2: Convert to fraction form
    18,408.08/27,616.88 = 5,261.44/x
  3. Step 3: Cross multiply
    18,408.08x = 27,616.88 × 5,261.44
  4. Step 4: Simplify right side
    18,408.08x = 145,304,557.11
  5. Step 5: Solve for x
    x = 145,304,557.11/18,408.08
  6. Step 6: Final answer
    x = 7,893.52

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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.