Home / 12,467.05-18,700.41-3,582.59

Finding the Fourth Proportional to 12,467.05, 18,700.41 and 3,582.59

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Solution

The fourth proportional to 12,467.05, 18,700.41 and 3,582.59 is: 5,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.05 : 18,700.41 = 3,582.59 : x
  2. Step 2: Convert to fraction form
    12,467.05/18,700.41 = 3,582.59/x
  3. Step 3: Cross multiply
    12,467.05x = 18,700.41 × 3,582.59
  4. Step 4: Simplify right side
    12,467.05x = 66,995,808.36
  5. Step 5: Solve for x
    x = 66,995,808.36/12,467.05
  6. Step 6: Final answer
    x = 5,373.83

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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.