Home / 13,706.04-18,912.78-11,606.52

Finding the Fourth Proportional to 13,706.04, 18,912.78 and 11,606.52

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Solution

The fourth proportional to 13,706.04, 18,912.78 and 11,606.52 is: 16,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.04 : 18,912.78 = 11,606.52 : x
  2. Step 2: Convert to fraction form
    13,706.04/18,912.78 = 11,606.52/x
  3. Step 3: Cross multiply
    13,706.04x = 18,912.78 × 11,606.52
  4. Step 4: Simplify right side
    13,706.04x = 219,511,559.33
  5. Step 5: Solve for x
    x = 219,511,559.33/13,706.04
  6. Step 6: Final answer
    x = 16,015.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.