Home / 13,742.71-18,952.42-11,622.68

Finding the Fourth Proportional to 13,742.71, 18,952.42 and 11,622.68

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Solution

The fourth proportional to 13,742.71, 18,952.42 and 11,622.68 is: 16,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.71 : 18,952.42 = 11,622.68 : x
  2. Step 2: Convert to fraction form
    13,742.71/18,952.42 = 11,622.68/x
  3. Step 3: Cross multiply
    13,742.71x = 18,952.42 × 11,622.68
  4. Step 4: Simplify right side
    13,742.71x = 220,277,912.89
  5. Step 5: Solve for x
    x = 220,277,912.89/13,742.71
  6. Step 6: Final answer
    x = 16,028.71

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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.