Home / 12,484.10-18,723.96-5,462.78

Finding the Fourth Proportional to 12,484.10, 18,723.96 and 5,462.78

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Solution

The fourth proportional to 12,484.10, 18,723.96 and 5,462.78 is: 8,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.10 : 18,723.96 = 5,462.78 : x
  2. Step 2: Convert to fraction form
    12,484.10/18,723.96 = 5,462.78/x
  3. Step 3: Cross multiply
    12,484.10x = 18,723.96 × 5,462.78
  4. Step 4: Simplify right side
    12,484.10x = 102,284,874.21
  5. Step 5: Solve for x
    x = 102,284,874.21/12,484.10
  6. Step 6: Final answer
    x = 8,193.21

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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.