Home / 13,333.44-18,402.96-7,668.96

Finding the Fourth Proportional to 13,333.44, 18,402.96 and 7,668.96

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Solution

The fourth proportional to 13,333.44, 18,402.96 and 7,668.96 is: 10,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.44 : 18,402.96 = 7,668.96 : x
  2. Step 2: Convert to fraction form
    13,333.44/18,402.96 = 7,668.96/x
  3. Step 3: Cross multiply
    13,333.44x = 18,402.96 × 7,668.96
  4. Step 4: Simplify right side
    13,333.44x = 141,131,564.12
  5. Step 5: Solve for x
    x = 141,131,564.12/13,333.44
  6. Step 6: Final answer
    x = 10,584.78

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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.