Home / 18,271.41-27,396.51-7,165.08

Finding the Fourth Proportional to 18,271.41, 27,396.51 and 7,165.08

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Solution

The fourth proportional to 18,271.41, 27,396.51 and 7,165.08 is: 10,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.41 : 27,396.51 = 7,165.08 : x
  2. Step 2: Convert to fraction form
    18,271.41/27,396.51 = 7,165.08/x
  3. Step 3: Cross multiply
    18,271.41x = 27,396.51 × 7,165.08
  4. Step 4: Simplify right side
    18,271.41x = 196,298,185.87
  5. Step 5: Solve for x
    x = 196,298,185.87/18,271.41
  6. Step 6: Final answer
    x = 10,743.46

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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.