Home / 18,132.94-27,199.72-4,985.24

Finding the Fourth Proportional to 18,132.94, 27,199.72 and 4,985.24

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Solution

The fourth proportional to 18,132.94, 27,199.72 and 4,985.24 is: 7,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.94 : 27,199.72 = 4,985.24 : x
  2. Step 2: Convert to fraction form
    18,132.94/27,199.72 = 4,985.24/x
  3. Step 3: Cross multiply
    18,132.94x = 27,199.72 × 4,985.24
  4. Step 4: Simplify right side
    18,132.94x = 135,597,132.13
  5. Step 5: Solve for x
    x = 135,597,132.13/18,132.94
  6. Step 6: Final answer
    x = 7,477.95

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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.