Home / 13,733.91-18,938.61-11,751.03

Finding the Fourth Proportional to 13,733.91, 18,938.61 and 11,751.03

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Solution

The fourth proportional to 13,733.91, 18,938.61 and 11,751.03 is: 16,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.91 : 18,938.61 = 11,751.03 : x
  2. Step 2: Convert to fraction form
    13,733.91/18,938.61 = 11,751.03/x
  3. Step 3: Cross multiply
    13,733.91x = 18,938.61 × 11,751.03
  4. Step 4: Simplify right side
    13,733.91x = 222,548,174.27
  5. Step 5: Solve for x
    x = 222,548,174.27/13,733.91
  6. Step 6: Final answer
    x = 16,204.28

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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.