Home / 12,124.23-18,184.19-3,359.85

Finding the Fourth Proportional to 12,124.23, 18,184.19 and 3,359.85

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Solution

The fourth proportional to 12,124.23, 18,184.19 and 3,359.85 is: 5,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.23 : 18,184.19 = 3,359.85 : x
  2. Step 2: Convert to fraction form
    12,124.23/18,184.19 = 3,359.85/x
  3. Step 3: Cross multiply
    12,124.23x = 18,184.19 × 3,359.85
  4. Step 4: Simplify right side
    12,124.23x = 61,096,133.97
  5. Step 5: Solve for x
    x = 61,096,133.97/12,124.23
  6. Step 6: Final answer
    x = 5,039.18

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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.