Home / 12,406.72-18,606.11-4,084.81

Finding the Fourth Proportional to 12,406.72, 18,606.11 and 4,084.81

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Solution

The fourth proportional to 12,406.72, 18,606.11 and 4,084.81 is: 6,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.72 : 18,606.11 = 4,084.81 : x
  2. Step 2: Convert to fraction form
    12,406.72/18,606.11 = 4,084.81/x
  3. Step 3: Cross multiply
    12,406.72x = 18,606.11 × 4,084.81
  4. Step 4: Simplify right side
    12,406.72x = 76,002,424.19
  5. Step 5: Solve for x
    x = 76,002,424.19/12,406.72
  6. Step 6: Final answer
    x = 6,125.91

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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.