Home / 18,656.08-27,964.41-6,172.90

Finding the Fourth Proportional to 18,656.08, 27,964.41 and 6,172.90

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Solution

The fourth proportional to 18,656.08, 27,964.41 and 6,172.90 is: 9,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.08 : 27,964.41 = 6,172.90 : x
  2. Step 2: Convert to fraction form
    18,656.08/27,964.41 = 6,172.90/x
  3. Step 3: Cross multiply
    18,656.08x = 27,964.41 × 6,172.90
  4. Step 4: Simplify right side
    18,656.08x = 172,621,506.49
  5. Step 5: Solve for x
    x = 172,621,506.49/18,656.08
  6. Step 6: Final answer
    x = 9,252.83

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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.