Home / 12,316.82-18,467.80-5,192.56

Finding the Fourth Proportional to 12,316.82, 18,467.80 and 5,192.56

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Solution

The fourth proportional to 12,316.82, 18,467.80 and 5,192.56 is: 7,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.82 : 18,467.80 = 5,192.56 : x
  2. Step 2: Convert to fraction form
    12,316.82/18,467.80 = 5,192.56/x
  3. Step 3: Cross multiply
    12,316.82x = 18,467.80 × 5,192.56
  4. Step 4: Simplify right side
    12,316.82x = 95,895,159.57
  5. Step 5: Solve for x
    x = 95,895,159.57/12,316.82
  6. Step 6: Final answer
    x = 7,785.71

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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.