Home / 13,334.36-18,405.82-8,367.96

Finding the Fourth Proportional to 13,334.36, 18,405.82 and 8,367.96

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Solution

The fourth proportional to 13,334.36, 18,405.82 and 8,367.96 is: 11,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.36 : 18,405.82 = 8,367.96 : x
  2. Step 2: Convert to fraction form
    13,334.36/18,405.82 = 8,367.96/x
  3. Step 3: Cross multiply
    13,334.36x = 18,405.82 × 8,367.96
  4. Step 4: Simplify right side
    13,334.36x = 154,019,165.53
  5. Step 5: Solve for x
    x = 154,019,165.53/13,334.36
  6. Step 6: Final answer
    x = 11,550.55

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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.