Home / 12,173.82-18,252.99-5,150.16

Finding the Fourth Proportional to 12,173.82, 18,252.99 and 5,150.16

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Solution

The fourth proportional to 12,173.82, 18,252.99 and 5,150.16 is: 7,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.82 : 18,252.99 = 5,150.16 : x
  2. Step 2: Convert to fraction form
    12,173.82/18,252.99 = 5,150.16/x
  3. Step 3: Cross multiply
    12,173.82x = 18,252.99 × 5,150.16
  4. Step 4: Simplify right side
    12,173.82x = 94,005,818.98
  5. Step 5: Solve for x
    x = 94,005,818.98/12,173.82
  6. Step 6: Final answer
    x = 7,721.97

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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.