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Finding the Fourth Proportional to 13,334.00, 18,400.68 and 7,365.56

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Solution

The fourth proportional to 13,334.00, 18,400.68 and 7,365.56 is: 10,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.00 : 18,400.68 = 7,365.56 : x
  2. Step 2: Convert to fraction form
    13,334.00/18,400.68 = 7,365.56/x
  3. Step 3: Cross multiply
    13,334.00x = 18,400.68 × 7,365.56
  4. Step 4: Simplify right side
    13,334.00x = 135,531,220.58
  5. Step 5: Solve for x
    x = 135,531,220.58/13,334.00
  6. Step 6: Final answer
    x = 10,164.34

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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.