Home / 13,334.49-18,401.31-7,365.80

Finding the Fourth Proportional to 13,334.49, 18,401.31 and 7,365.80

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Solution

The fourth proportional to 13,334.49, 18,401.31 and 7,365.80 is: 10,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.49 : 18,401.31 = 7,365.80 : x
  2. Step 2: Convert to fraction form
    13,334.49/18,401.31 = 7,365.80/x
  3. Step 3: Cross multiply
    13,334.49x = 18,401.31 × 7,365.80
  4. Step 4: Simplify right side
    13,334.49x = 135,540,415.20
  5. Step 5: Solve for x
    x = 135,540,415.20/13,334.49
  6. Step 6: Final answer
    x = 10,164.65

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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.