Home / 12,199.91-18,297.44-5,625.14

Finding the Fourth Proportional to 12,199.91, 18,297.44 and 5,625.14

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Solution

The fourth proportional to 12,199.91, 18,297.44 and 5,625.14 is: 8,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.91 : 18,297.44 = 5,625.14 : x
  2. Step 2: Convert to fraction form
    12,199.91/18,297.44 = 5,625.14/x
  3. Step 3: Cross multiply
    12,199.91x = 18,297.44 × 5,625.14
  4. Step 4: Simplify right side
    12,199.91x = 102,925,633.52
  5. Step 5: Solve for x
    x = 102,925,633.52/12,199.91
  6. Step 6: Final answer
    x = 8,436.59

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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.